{"id":80868,"date":"2024-10-20T20:34:44","date_gmt":"2024-10-20T17:04:44","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/"},"modified":"2024-10-20T20:34:44","modified_gmt":"2024-10-20T17:04:44","slug":"solid-principles-4j92","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/","title":{"rendered":"\u0627\u0635\u0648\u0644 \u062c\u0627\u0645\u062f &#8211; \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang <\/p>\n<p>\u062c\u0627\u0645\u062f \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u06a9\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627 (OOP) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u0632 \u067e\u0646\u062c \u0627\u0635\u0644 \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>\u0627\u0633 \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 &#8211; SRP<\/p>\n<p>O \u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0642\u0644\u0645 &#8211; OCP<\/p>\n<p>L \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc iskov &#8211; LSP<\/p>\n<p>\u0645\u0646 \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 &#8211; ISP<\/p>\n<p>\u062f\u06cc \u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc &#8211; DIP<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u062a\u0648\u0633\u0637 \u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646 (\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0639\u0645\u0648 \u0628\u0627\u0628 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f) \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u062f\u0647\u0647 2000 \u0648 \u0627\u0632 \u0622\u0646 \u0632\u0645\u0627\u0646 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u062c\u0627\u0645\u0639\u0647 \u062a\u0648\u0633\u0639\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u067e\u0630\u06cc\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID\u060c \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06a9\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f \u06a9\u0647 \u062f\u0631\u06a9\u060c \u0627\u0635\u0644\u0627\u062d \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0628\u0627\u0634\u062f\u060c \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u06cc \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<\/p>\n<p>Single Responsibility Principle \u0627\u0648\u0644\u06cc\u0646 \u0648 \u0627\u0633\u0627\u0633\u06cc \u062a\u0631\u06cc\u0646 \u0627\u0635\u0644 \u062f\u0631 OOP \u0648 SOLID \u0627\u0633\u062a. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f\u060c \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc &#8220;\u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u0645\u0631\u0627\u0642\u0628\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f&#8221;.<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0644\u0627\u0633\u06cc \u0628\u0647 \u0646\u0627\u0645 Invoice \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u0634\u0627\u0645\u0644 2 \u0645\u062a\u062f ()genereInvoice \u0648 saveToFiles() \u0627\u0633\u062a.<\/p>\n<p>public class Invoice {<br \/>\n  private Long InvoiceNo;<\/p>\n<p>  public void generateInvoice() {<br \/>\n    \/\/ code to generate Invoice.<br \/>\n  }<\/p>\n<p>  public void saveToFiles() {<br \/>\n    \/\/ code to save invoice as a file.<br \/>\n  }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u062e\u0648\u0628\u06cc \u0646\u06cc\u0633\u062a \u0632\u06cc\u0631\u0627 \u06a9\u0644\u0627\u0633 Invoice \u062f\u0648 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u062f. \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u062c\u062f\u0627 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>public class Invoice {<br \/>\n  private Long InvoiceNo;<\/p>\n<p>  public void generateInvoice() {<br \/>\n    \/\/ code to generate Invoice.<br \/>\n  }<br \/>\n}<\/p>\n<p>public class FileManager {<br \/>\n  public void saveToFiles(Invoice invoice) {<br \/>\n    \/\/ code to save invoice as a file.<br \/>\n  }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 2 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0627\u0631\u06cc\u0645:<\/p>\n<p>\u062a\u0648\u0644\u06cc\u062f \u0641\u0627\u06a9\u062a\u0648\u0631<br \/>\n\u0622\u0646 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644 \u0647\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 SRP<\/p>\n<p>\u0633\u0627\u0632\u0645\u0627\u0646 \u06a9\u062f \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 : \u0628\u0627 \u062a\u0641\u06a9\u06cc\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc\u200c\u0647\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u060c \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0633\u0627\u0632\u0645\u0627\u0646\u200c\u06cc\u0627\u0641\u062a\u0647\u200c\u062a\u0631 \u0648 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u062a\u0631 : \u0648\u0642\u062a\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u062f\u060c \u062f\u0631\u06a9 \u0647\u062f\u0641 \u0622\u0646 \u0648 \u0627\u06cc\u062c\u0627\u062f \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u062f\u0648\u0646 \u0639\u0648\u0627\u0631\u0636 \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f : \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0628\u0647 \u0627\u062d\u062a\u0645\u0627\u0644 \u0632\u06cc\u0627\u062f \u062f\u0631 \u0642\u0633\u0645\u062a \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u06cc\u0627 \u062d\u062a\u06cc \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u062a\u0633\u062a \u0622\u0633\u0627\u0646\u062a\u0631 : \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0645\u0639\u0645\u0648\u0644\u0627 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0647\u0633\u062a\u0646\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062c\u0632\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<\/p>\n<p>\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0627\u0635\u0648\u0644 \u0627\u0635\u0644\u06cc \u062f\u0631 SOLID \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0627\u0635\u0644 \u062a\u0648\u0633\u0637 \u0628\u0631\u062a\u0631\u0627\u0646\u062f \u0645\u0627\u06cc\u0631 \u062f\u0631 \u0633\u0627\u0644 1997. \u0627\u06cc\u062f\u0647 \u067e\u0634\u062a \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 &#8220;\u0645\u0635\u0646\u0648\u0639\u0627\u062a \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc (\u06a9\u0644\u0627\u0633 \u0647\u0627\u060c \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0648 \u062a\u0648\u0627\u0628\u0639) \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646\u06cc \u0628\u0627\u0632 \u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f.&#8221;<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u061b<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0646\u0627\u0645 Shape \u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u0633\u0627\u062d\u062a \u0634\u06a9\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>public class Shape {<br \/>\n    private String shapeType;<br \/>\n    private double radius;<br \/>\n    private double length;<br \/>\n    private double width;<\/p>\n<p>    public Shape(String shapeType, double radius, double length, double width) {<br \/>\n        this.shapeType = shapeType;<br \/>\n        this.radius = radius;<br \/>\n        this.length = length;<br \/>\n        this.width = width;<br \/>\n    }<\/p>\n<p>    public double area() {<br \/>\n        if (shapeType.equals(&#8220;circle&#8221;)) {<br \/>\n            return Math.PI * (radius * radius);<br \/>\n        } else if (shapeType.equals(&#8220;rectangle&#8221;)) {<br \/>\n            return length * width;<br \/>\n        } else {<br \/>\n            throw new IllegalArgumentException(&#8220;Unknown shape type&#8221;);<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ Usage<br \/>\npublic class Main {<br \/>\n    public static void main(String[] args) {<br \/>\n        Shape circle = new Shape(&#8220;circle&#8221;, 5, 0, 0);<br \/>\n        Shape rectangle = new Shape(&#8220;rectangle&#8221;, 0, 4, 6);<\/p>\n<p>        System.out.println(circle.area());<br \/>\n        System.out.println(rectangle.area());<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627\u060c \u0627\u0641\u0632\u0648\u062f\u0646 \u06cc\u06a9 \u0634\u06a9\u0644 \u062c\u062f\u06cc\u062f \u0645\u0633\u062a\u0644\u0632\u0645 \u0627\u0635\u0644\u0627\u062d \u06a9\u0644\u0627\u0633 Shape \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a \u06a9\u0647 \u0639\u0645\u0644 \u062e\u0648\u0628\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0646\u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0646\u062d\u0648\u0647 \u0627\u0639\u0645\u0627\u0644 \u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0628\u0627\u0632 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>public interface Shape {<br \/>\n  public double area();<br \/>\n}<\/p>\n<p>class Circle implements Shape {<br \/>\n    private double radius;<\/p>\n<p>    public Circle(double radius) {<br \/>\n        this.radius = radius;<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public double area() {<br \/>\n        return Math.PI * (radius * radius);<br \/>\n    }<br \/>\n}<\/p>\n<p>class Rectangle implements Shape {<br \/>\n    private double length;<br \/>\n    private double width;<\/p>\n<p>    public Rectangle(double length, double width) {<br \/>\n        this.length = length;<br \/>\n        this.width = width;<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public double area() {<br \/>\n        return length * width;<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ Usage<br \/>\npublic class Main {<br \/>\n    public static void main(String[] args) {<br \/>\n        Shape circle = new Circle(5);<br \/>\n        Shape rectangle = new Rectangle(4, 6);<\/p>\n<p>        System.out.println(circle.area());<br \/>\n        System.out.println(rectangle.area());<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 OCP\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0641\u0639\u0644\u06cc\u060c \u0634\u06a9\u0644\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u062f\u0644\u062e\u0648\u0627\u0647 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u062a\u0648\u062c\u0647: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637 \u0647\u0627 \u062a\u0646\u0647\u0627 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc \u0628\u0647 OCP \u0646\u06cc\u0633\u062a.<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 OCP<\/p>\n<p>\u06a9\u0627\u0647\u0634 \u062e\u0637\u0631 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a : \u0628\u0627 \u0627\u0635\u0644\u0627\u062d \u0646\u06a9\u0631\u062f\u0646 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06a9\u0627\u0644\u0627\u062a \u062c\u062f\u06cc\u062f \u06cc\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0645\u06cc \u0631\u0633\u062f.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 : \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 OCP \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f\u060c \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f.<\/p>\n<p>\u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 : \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0648 \u0686\u0646\u062f \u0634\u06a9\u0644\u06cc \u0627\u0645\u06a9\u0627\u0646 \u0637\u0631\u0627\u062d\u06cc \u0647\u0627\u06cc \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631\u062a\u0631 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062a\u0637\u0628\u06cc\u0642 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<\/p>\n<p>\u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0627\u0635\u0648\u0644 \u0645\u0647\u0645 \u062f\u0631 OOP \u0627\u0633\u062a. \u062a\u0648\u0633\u0637 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f \u0628\u0627\u0631\u0628\u0627\u0631\u0627 \u0644\u06cc\u0633\u06a9\u0648\u0641 \u062f\u0631 \u0633\u0627\u0644 1987 \u0637\u06cc \u06cc\u06a9 \u0633\u062e\u0646\u0631\u0627\u0646\u06cc \u062f\u0631 \u06a9\u0646\u0641\u0631\u0627\u0646\u0633\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0632\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627.<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0644 \u0645\u06cc \u06af\u0648\u06cc\u062f: &#8220;\u0627\u0634\u06cc\u0627\u0621 \u06cc\u06a9 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0622\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u0635\u062d\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0627\u0628\u0644 \u062a\u0639\u0648\u06cc\u0636 \u0628\u0627\u0634\u0646\u062f&#8221;.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 Circle \u0648 Rectangle \u0632\u06cc\u0631 \u0627\u0646\u0648\u0627\u0639 Shape \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u0647\u06cc\u0686 \u0645\u0634\u06a9\u0644\u06cc \u0634\u06cc Shape \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0634\u06cc Circle \u06cc\u0627 Rectangle \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>public interface Shape {<br \/>\n  public double area();<br \/>\n}<\/p>\n<p>class Circle implements Shape {<br \/>\n    private double radius;<\/p>\n<p>    public Circle(double radius) {<br \/>\n        this.radius = radius;<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public double area() {<br \/>\n        return Math.PI * (radius * radius);<br \/>\n    }<br \/>\n}<\/p>\n<p>class Rectangle implements Shape {<br \/>\n    private double length;<br \/>\n    private double width;<\/p>\n<p>    public Rectangle(double length, double width) {<br \/>\n        this.length = length;<br \/>\n        this.width = width;<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public double area() {<br \/>\n        return length * width;<br \/>\n    }<br \/>\n}<\/p>\n<p>public class Main {<br \/>\n    public static void main(String[] args) {<br \/>\n        Shape circle = new Circle(5); \/\/ Replace Shape object with Circle<br \/>\n        Shape rectangle = new Rectangle(4, 6); \/\/ Replace Shape object with Rectangle<\/p>\n<p>        System.out.println(circle.area());<br \/>\n        System.out.println(rectangle.area());<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u060c \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 LSP<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u06a9\u062f \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 : \u0628\u0627 \u062d\u0635\u0648\u0644 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0646\u0648\u0627\u0639 \u0641\u0631\u0639\u06cc \u0631\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u067e\u0627\u06cc\u0647 \u0622\u0646\u0647\u0627 \u06a9\u0631\u062f\u060c \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 \u0646\u0648\u0639 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627\u06cc \u0622\u0646 \u06a9\u0627\u0631 \u06a9\u0646\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u06a9\u062f \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u06a9\u0646\u062f.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 : \u062d\u0641\u0638 \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 LSP \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06a9\u0627\u0644 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u0635\u0644\u0627\u062d \u06cc\u0627 \u06af\u0633\u062a\u0631\u0634 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u062a\u0633\u062a \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631 : LSP \u0646\u0648\u0634\u062a\u0646 \u062a\u0633\u062a\u200c\u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u062a\u0633\u062a\u200c\u0647\u0627 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631 \u062e\u0644\u0627\u0641 \u0646\u0648\u0639 \u067e\u0627\u06cc\u0647 \u0646\u0648\u0634\u062a \u0648 \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627 \u06a9\u0627\u0631 \u06a9\u0646\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<\/p>\n<p>\u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 \u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0646\u062c \u0627\u0635\u0644 SOLID \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646. \u0628\u06cc\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f: \u00ab\u06a9\u0644\u0627\u06cc\u0646\u062a\u200c\u0647\u0627 \u0646\u0628\u0627\u06cc\u062f \u0645\u062c\u0628\u0648\u0631 \u0634\u0648\u0646\u062f \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f\u00bb.<\/p>\n<p>\u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0648\u0627\u0633\u0637\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u0648\u0638\u06cc\u0641\u0647 \u0628\u0647\u062a\u0631 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0639\u0645\u0648\u0645\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0639\u0645\u0648\u0645\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>public interface MultifunctionPrinter {<br \/>\n    void printDocument(Document document);<br \/>\n    void scanDocument(Document document);<br \/>\n    void faxDocument(Document document);<br \/>\n}<\/p>\n<p>public class BasicPrinter implements MultifunctionPrinter {<br \/>\n    @Override<br \/>\n    public void printDocument(Document document) {<br \/>\n        System.out.println(&#8220;Printing: &#8221; + document.name());<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public void scanDocument(Document document) {<br \/>\n        throw new UnsupportedOperationException(&#8220;Scanning not supported.&#8221;);<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public void faxDocument(Document document) {<br \/>\n        throw new UnsupportedOperationException(&#8220;Faxing not supported.&#8221;);<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0647\u0645\u0647 \u0645\u0646\u0638\u0648\u0631\u0647 \u0645\u0627\u0646\u0646\u062f MultifunctionPrinter \u0645\u0627 \u0631\u0627 \u0645\u062c\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0639\u0645\u0644 \u0628\u062f\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>  \u0631\u0627\u0628\u0637 \u0647\u0627<\/p>\n<p>public interface Printer {<br \/>\n    void printDocument(Document document);<br \/>\n}<\/p>\n<p>public interface Scanner {<br \/>\n    void scanDocument(Document document);<br \/>\n}<\/p>\n<p>public interface Fax {<br \/>\n    void faxDocument(Document document);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627<\/p>\n<p>public class BasicPrinter implements Printer {<br \/>\n    @Override<br \/>\n    public void printDocument(Document document) {<br \/>\n        System.out.println(&#8220;Printing: &#8221; + document.name());<br \/>\n    }<br \/>\n}<\/p>\n<p>public class AdvancedPrinter implements Printer, Scanner {<br \/>\n    @Override<br \/>\n    public void printDocument(Document document) {<br \/>\n        System.out.println(&#8220;Printing: &#8221; + document.name());<br \/>\n    }<\/p>\n<p>    @Override<br \/>\n    public void scanDocument(Document document) {<br \/>\n        System.out.println(&#8220;Scanning: &#8221; + document.name());<br \/>\n    }<br \/>\n}<\/p>\n<p>public class FaxMachine implements Fax {<br \/>\n    @Override<br \/>\n    public void faxDocument(Document document) {<br \/>\n        System.out.println(&#8220;Faxing: &#8221; + document.name());<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 ISP \u060c \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062e\u0635\u0648\u0635 \u0646\u0642\u0634 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f\u06cc\u0645 &#8211; \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u067e\u06af\u0631\u060c \u0627\u0633\u06a9\u0646\u0631 \u0648 \u0641\u06a9\u0633. \u0627\u06cc\u0646 \u0628\u0647 \u0647\u0631 \u06a9\u0644\u0627\u0633 (\u0645\u062b\u0644\u0627\u064b BasicPrinter\u060c AdvancedPrinter \u06cc\u0627 FaxMachine) \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0641\u0642\u0637 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u062f\u060c \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u0631\u0627 \u0627\u0631\u062a\u0642\u0627 \u062f\u0627\u062f\u0647 \u0648 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f.<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 ISP<\/p>\n<p>\u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f : \u0628\u0627 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f\u0646 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u062e\u0627\u0635 \u062a\u0631\u060c \u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0645\u06cc \u0634\u0648\u062f. \u06a9\u0644\u0627\u0633 \u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u0628\u062e\u0634 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0633\u06cc\u0633\u062a\u0645 \u0622\u0633\u0627\u0646 \u062a\u0631 \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u06a9\u0627\u0647\u0634 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u06a9\u062f : \u0648\u0642\u062a\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627 \u0641\u0642\u0637 \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u06a9\u062f \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0648 \u062f\u0631\u06a9 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u062c\u0628\u0648\u0631 \u0646\u06cc\u0633\u062a\u0646\u062f \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627 \u06cc\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0633\u0631 \u0648 \u06a9\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646\u0647\u0627 \u0628\u0647 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0627\u0635 \u0622\u0646\u0647\u0627 \u0645\u0631\u0628\u0648\u0637 \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 : \u0628\u0627 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632 \u062a\u0631\u060c \u062d\u0641\u0638 \u06a9\u062f \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0627\u062d\u062a\u0645\u0627\u0644 \u06a9\u0645\u062a\u0631\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0633\u0627\u06cc\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0647\u062f \u0648 \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0628\u0627\u06af \u06cc\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f.<\/p>\n<p>\u062a\u0633\u062a \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631 : \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0646\u0648\u0634\u062a\u0646 \u062a\u0633\u062a \u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0622\u0632\u0645\u0648\u0646\u200c\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0631 \u0631\u0648\u06cc \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc \u062e\u0627\u0635 \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0646\u0646\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0631\u0648\u0634\u200c\u0647\u0627 \u06cc\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u0628\u0648\u0637 \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u0646\u062f.<\/p>\n<p>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc : \u0628\u0627 \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 ISP\u060c \u0633\u06cc\u0633\u062a\u0645 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f \u0648 \u06af\u0633\u062a\u0631\u0634 \u06cc\u0627 \u0627\u0635\u0644\u0627\u062d \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u06cc\u0627 \u0646\u06cc\u0627\u0632\u0645\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u06cc\u0627 \u0627\u0635\u0644\u0627\u062d \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u0631 \u06a9\u0644 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f.<\/p>\n<p>  \u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<\/p>\n<p>Dependency Inversion Principle \u0627\u0635\u0644 \u0646\u0647\u0627\u06cc\u06cc SOLID \u0627\u0633\u062a. \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0622\u0646 \u0646\u06cc\u0632 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f \u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646. \u0627\u06cc\u0646 \u06a9\u062f\u0647\u0627\u06cc \u0628\u0627 \u0627\u062a\u0635\u0627\u0644 \u0622\u0632\u0627\u062f \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>DIP \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0631\u0627 \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p>\u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<br \/>\n\u0647\u0631 \u062f\u0648 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<br \/>\n\u0627\u0646\u062a\u0632\u0627\u0639 \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<br \/>\n\u062c\u0632\u0626\u06cc\u0627\u062a \u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u0633\u0627\u062f\u0647\u060c \u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062e\u0627\u0635 \u062f\u06cc\u06af\u0631 (\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0628\u062a\u0646) \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0631\u0627\u0628\u0637 \u0647\u0627 \u06cc\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u062f \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0628\u0633\u062a\u0647\u060c \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627 \u0631\u0627 \u062a\u0639\u0648\u06cc\u0636 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  \u06a9\u062f \u0645\u062d\u06a9\u0645 \u0647\u0645\u0631\u0627\u0647 (\u0628\u062f\u0648\u0646 DIP)<\/p>\n<p>public class Keyboard {<br \/>\n    public void type() {<br \/>\n        System.out.println(&#8220;Typing&#8230;&#8221;);<br \/>\n    }<br \/>\n}<\/p>\n<p>public class Computer {<br \/>\n    private Keyboard keyboard;<\/p>\n<p>    public Computer() {<br \/>\n        this.keyboard = new Keyboard(); \/\/ Direct dependency<br \/>\n    }<\/p>\n<p>    public void use() {<br \/>\n        keyboard.type();<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u06a9\u0644\u0627\u0633 Computer \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u06a9\u0644\u0627\u0633 Keyboard \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f.<\/p>\n<p>  \u06a9\u062f \u062c\u0641\u062a \u0634\u062f\u0647 \u0636\u0639\u06cc\u0641 (\u0628\u0627 DIP)<\/p>\n<p>public interface InputDevice {<br \/>\n    void type();<br \/>\n}<\/p>\n<p>pubic class Keyboard implements InputDevice {<br \/>\n    @Override<br \/>\n    public void type() {<br \/>\n        System.out.println(&#8220;Typing&#8230;&#8221;);<br \/>\n    }<br \/>\n}<\/p>\n<p>public class Computer {<br \/>\n    private InputDevice inputDevice;<\/p>\n<p>    public Computer(InputDevice inputDevice) {<br \/>\n        this.inputDevice = inputDevice; \/\/ Depends on abstraction<br \/>\n    }<\/p>\n<p>    public void use() {<br \/>\n        inputDevice.type();<br \/>\n    }<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0631\u0627\u06cc\u0627\u0646\u0647 \u0628\u0647 \u0631\u0627\u0628\u0637 InputDevice \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u060c \u0646\u0647 \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0627\u0635. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631\u060c \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647 \u0648\u0631\u0648\u062f\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0645\u0627\u0646\u0646\u062f \u0635\u0641\u062d\u0647\u200c\u06a9\u0644\u06cc\u062f \u0628\u06cc\u200c\u0633\u06cc\u0645 \u0633\u0648\u0626\u06cc\u0686 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 DIP<\/p>\n<p>\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0634\u0644 : \u0628\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0628\u0647 \u062c\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0639\u06cc\u0646\u06cc\u060c \u06a9\u062f\u0647\u0627 \u0628\u0627 \u0647\u0645 \u067e\u06cc\u0648\u0646\u062f \u06a9\u0645\u062a\u0631\u06cc \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u06cc\u06a9 \u0642\u0633\u0645\u062a \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u0631 \u0633\u0627\u06cc\u0631\u06cc\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 : \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0628\u0631 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u062a\u0623\u062b\u06cc\u0631 \u0646\u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u06af\u0633\u062a\u0631\u0634 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0633\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 : \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u06af\u06cc \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0633\u0631\u06cc\u0639 \u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062a\u0631 \u06a9\u0631\u062f.<\/p>\n<p>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f : \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0642\u0631\u0627\u0631 \u062f\u0627\u062f.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u062f\u0631 \u0646\u062a\u06cc\u062c\u0647\u060c \u0627\u0635\u0648\u0644 SOLID: \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0645\u0646\u0641\u0631\u062f\u060c \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u060c \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc Liskov\u060c \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637\u060c \u0648 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644\u200c\u0647\u0627\u06cc \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u060c \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u200c\u06af\u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0628\u0627 \u0631\u0639\u0627\u06cc\u062a \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644\u060c \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f \u06a9\u0647 \u062f\u0631\u06a9\u060c \u0627\u0635\u0644\u0627\u062d \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 \u0628\u0627 \u06a9\u06cc\u0641\u06cc\u062a \u0628\u0627\u0644\u0627\u062a\u0631 \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0634\u0648\u062f.<\/p>\n<p>  \u062e\u0644\u0627\u0635\u0647<\/p>\n<p>\u0628\u0627 \u062a\u0634\u06a9\u0631 \u0627\u0632 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647! \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u0645 \u0627\u06a9\u0646\u0648\u0646 \u062f\u0631\u06a9 \u06a9\u0627\u0645\u0644\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0628\u0631\u06cc\u062f.<\/p>\n<p>\u0645\u0646 \u0631\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>&#8211; \u0633\u0627\u062f\u06cc\u0634\u0627 \u0646\u06cc\u0645 \u0633\u0631\u0627<\/p>\n<div data-article-id=\"2045815\" id=\"article-body\">\n<p><\/p>\n<p><strong>\u062c\u0627\u0645\u062f<\/strong> \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u06a9\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627 (OOP) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u0632 \u067e\u0646\u062c \u0627\u0635\u0644 \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<ol>\n<li>\n<strong>\u0627\u0633<\/strong> \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 &#8211; SRP<\/li>\n<li>\n<strong>O<\/strong> \u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0642\u0644\u0645 &#8211; OCP<\/li>\n<li>\n<strong>L<\/strong> \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc iskov &#8211; LSP<\/li>\n<li>\n<strong>\u0645\u0646<\/strong> \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 &#8211; ISP<\/li>\n<li>\n<strong>\u062f\u06cc<\/strong> \u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc &#8211; DIP<\/li>\n<\/ol>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u062a\u0648\u0633\u0637 <strong>\u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646<\/strong> (\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0639\u0645\u0648 \u0628\u0627\u0628 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f) \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u062f\u0647\u0647 2000 \u0648 \u0627\u0632 \u0622\u0646 \u0632\u0645\u0627\u0646 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u062c\u0627\u0645\u0639\u0647 \u062a\u0648\u0633\u0639\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u067e\u0630\u06cc\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID\u060c \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06a9\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f \u06a9\u0647 \u062f\u0631\u06a9\u060c \u0627\u0635\u0644\u0627\u062d \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0628\u0627\u0634\u062f\u060c \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u06cc \u0642\u0648\u06cc\u200c\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a \u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%A7%D8%B5%D9%84_%D9%85%D8%B3%D8%A6%D9%88%D9%84%DB%8C%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF_SRP\" >\u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_SRP\" >\u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 SRP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87_OCP\" >\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_OCP\" >\u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 OCP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%A7%D8%B5%D9%84_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86%DB%8C_%D9%84%DB%8C%D8%B3%DA%A9%D9%88%D9%81_LSP\" >\u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_LSP\" >\u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 LSP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%A7%D8%B5%D9%84_%D8%AC%D8%AF%D8%A7%D8%B3%D8%A7%D8%B2%DB%8C_%D8%B1%D8%A7%D8%A8%D8%B7_ISP\" >\u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%B1%D8%A7%D8%A8%D8%B7_%D9%87%D8%A7\" >\u0631\u0627\u0628\u0637 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%BE%DB%8C%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%87%D8%A7\" >\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_ISP\" >\u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 ISP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%A7%D8%B5%D9%84_%D9%88%D8%A7%D8%B1%D9%88%D9%86%DA%AF%DB%8C_%D9%88%D8%A7%D8%A8%D8%B3%D8%AA%DA%AF%DB%8C_DIP\" >\u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%DA%A9%D8%AF_%D9%85%D8%AD%DA%A9%D9%85_%D9%87%D9%85%D8%B1%D8%A7%D9%87_%D8%A8%D8%AF%D9%88%D9%86_DIP\" >\u06a9\u062f \u0645\u062d\u06a9\u0645 \u0647\u0645\u0631\u0627\u0647 (\u0628\u062f\u0648\u0646 DIP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%DA%A9%D8%AF_%D8%AC%D9%81%D8%AA_%D8%B4%D8%AF%D9%87_%D8%B6%D8%B9%DB%8C%D9%81_%D8%A8%D8%A7_DIP\" >\u06a9\u062f \u062c\u0641\u062a \u0634\u062f\u0647 \u0636\u0639\u06cc\u0641 (\u0628\u0627 DIP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D8%AF%D9%86%D8%A8%D8%A7%D9%84_%DA%A9%D8%B1%D8%AF%D9%86_DIP\" >\u0645\u0632\u0627\u06cc\u0627\u06cc \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 DIP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/nabfollower.com\/blog\/solid-principles-4j92\/#%D8%AE%D9%84%D8%A7%D8%B5%D9%87\" >\u062e\u0644\u0627\u0635\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D9%85%D8%B3%D8%A6%D9%88%D9%84%DB%8C%D8%AA_%D9%88%D8%A7%D8%AD%D8%AF_SRP\"><\/span>\n<p>  \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f (SRP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Single Responsibility Principle \u0627\u0648\u0644\u06cc\u0646 \u0648 \u0627\u0633\u0627\u0633\u06cc \u062a\u0631\u06cc\u0646 \u0627\u0635\u0644 \u062f\u0631 OOP \u0648 SOLID \u0627\u0633\u062a. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f\u060c \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc &#8220;\u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u0645\u0631\u0627\u0642\u0628\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f&#8221;.<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0644\u0627\u0633\u06cc \u0628\u0647 \u0646\u0627\u0645 Invoice \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u0634\u0627\u0645\u0644 2 \u0645\u062a\u062f ()genereInvoice \u0648 saveToFiles() \u0627\u0633\u062a.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public class Invoice {\n  private Long InvoiceNo;\n\n  public void generateInvoice() {\n    \/\/ code to generate Invoice.\n  }\n\n  public void saveToFiles() {\n    \/\/ code to save invoice as a file.\n  }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u062e\u0648\u0628\u06cc \u0646\u06cc\u0633\u062a \u0632\u06cc\u0631\u0627 \u06a9\u0644\u0627\u0633 Invoice \u062f\u0648 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u062f. \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u062c\u062f\u0627 \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public class Invoice {\n  private Long InvoiceNo;\n\n  public void generateInvoice() {\n    \/\/ code to generate Invoice.\n  }\n}\n\npublic class FileManager {\n  public void saveToFiles(Invoice invoice) {\n    \/\/ code to save invoice as a file.\n  }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 2 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0627\u0631\u06cc\u0645:<\/p>\n<ul>\n<li>\u062a\u0648\u0644\u06cc\u062f \u0641\u0627\u06a9\u062a\u0648\u0631<\/li>\n<li>\u0622\u0646 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644 \u0647\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_SRP\"><\/span>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 SRP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<strong>\u0633\u0627\u0632\u0645\u0627\u0646 \u06a9\u062f \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647<\/strong> : \u0628\u0627 \u062a\u0641\u06a9\u06cc\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc\u200c\u0647\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u060c \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0633\u0627\u0632\u0645\u0627\u0646\u200c\u06cc\u0627\u0641\u062a\u0647\u200c\u062a\u0631 \u0648 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u062a\u0631<\/strong> : \u0648\u0642\u062a\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u062f\u0627\u0631\u062f\u060c \u062f\u0631\u06a9 \u0647\u062f\u0641 \u0622\u0646 \u0648 \u0627\u06cc\u062c\u0627\u062f \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u062f\u0648\u0646 \u0639\u0648\u0627\u0631\u0636 \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a.<\/li>\n<li>\n<strong>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f<\/strong> : \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u06cc\u06a9 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0628\u0647 \u0627\u062d\u062a\u0645\u0627\u0644 \u0632\u06cc\u0627\u062f \u062f\u0631 \u0642\u0633\u0645\u062a \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u06cc\u0627 \u062d\u062a\u06cc \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0647\u0633\u062a\u0646\u062f.<\/li>\n<li>\n<strong>\u062a\u0633\u062a \u0622\u0633\u0627\u0646\u062a\u0631<\/strong> : \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0645\u0639\u0645\u0648\u0644\u0627 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0647\u0633\u062a\u0646\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062c\u0632\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87_OCP\"><\/span>\n<p>  \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 (OCP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0627\u0635\u0648\u0644 \u0627\u0635\u0644\u06cc \u062f\u0631 SOLID \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0627\u0635\u0644 \u062a\u0648\u0633\u0637 <strong>\u0628\u0631\u062a\u0631\u0627\u0646\u062f \u0645\u0627\u06cc\u0631<\/strong> \u062f\u0631 \u0633\u0627\u0644 1997. \u0627\u06cc\u062f\u0647 \u067e\u0634\u062a \u0627\u06cc\u0646 \u0627\u0635\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 &#8220;\u0645\u0635\u0646\u0648\u0639\u0627\u062a \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc (\u06a9\u0644\u0627\u0633 \u0647\u0627\u060c \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0648 \u062a\u0648\u0627\u0628\u0639) \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646\u06cc \u0628\u0627\u0632 \u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f.&#8221;<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u061b<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0646\u0627\u0645 Shape \u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u0633\u0627\u062d\u062a \u0634\u06a9\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public class Shape {\n    private String shapeType;\n    private double radius;\n    private double length;\n    private double width;\n\n    public Shape(String shapeType, double radius, double length, double width) {\n        this.shapeType = shapeType;\n        this.radius = radius;\n        this.length = length;\n        this.width = width;\n    }\n\n    public double area() {\n        if (shapeType.equals(\"circle\")) {\n            return Math.PI * (radius * radius);\n        } else if (shapeType.equals(\"rectangle\")) {\n            return length * width;\n        } else {\n            throw new IllegalArgumentException(\"Unknown shape type\");\n        }\n    }\n}\n\n\/\/ Usage\npublic class Main {\n    public static void main(String[] args) {\n        Shape circle = new Shape(\"circle\", 5, 0, 0);\n        Shape rectangle = new Shape(\"rectangle\", 0, 4, 6);\n\n        System.out.println(circle.area());\n        System.out.println(rectangle.area());\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627\u060c \u0627\u0641\u0632\u0648\u062f\u0646 \u06cc\u06a9 \u0634\u06a9\u0644 \u062c\u062f\u06cc\u062f \u0645\u0633\u062a\u0644\u0632\u0645 \u0627\u0635\u0644\u0627\u062d \u06a9\u0644\u0627\u0633 Shape \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a \u06a9\u0647 \u0639\u0645\u0644 \u062e\u0648\u0628\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0646\u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0646\u062d\u0648\u0647 \u0627\u0639\u0645\u0627\u0644 \u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0628\u0627\u0632 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public interface Shape {\n  public double area();\n}\n\nclass Circle implements Shape {\n    private double radius;\n\n    public Circle(double radius) {\n        this.radius = radius;\n    }\n\n    @Override\n    public double area() {\n        return Math.PI * (radius * radius);\n    }\n}\n\nclass Rectangle implements Shape {\n    private double length;\n    private double width;\n\n    public Rectangle(double length, double width) {\n        this.length = length;\n        this.width = width;\n    }\n\n    @Override\n    public double area() {\n        return length * width;\n    }\n}\n\n\/\/ Usage\npublic class Main {\n    public static void main(String[] args) {\n        Shape circle = new Circle(5);\n        Shape rectangle = new Rectangle(4, 6);\n\n        System.out.println(circle.area());\n        System.out.println(rectangle.area());\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 OCP\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0641\u0639\u0644\u06cc\u060c \u0634\u06a9\u0644\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u062f\u0644\u062e\u0648\u0627\u0647 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p><em>\u062a\u0648\u062c\u0647: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637 \u0647\u0627 \u062a\u0646\u0647\u0627 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc \u0628\u0647 OCP \u0646\u06cc\u0633\u062a.<\/em><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_OCP\"><\/span>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 OCP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<strong>\u06a9\u0627\u0647\u0634 \u062e\u0637\u0631 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a<\/strong> : \u0628\u0627 \u0627\u0635\u0644\u0627\u062d \u0646\u06a9\u0631\u062f\u0646 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06a9\u0627\u0644\u0627\u062a \u062c\u062f\u06cc\u062f \u06cc\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0645\u06cc \u0631\u0633\u062f.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647<\/strong> : \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 OCP \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f\u060c \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f.<\/li>\n<li>\n<strong>\u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/strong> : \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0648 \u0686\u0646\u062f \u0634\u06a9\u0644\u06cc \u0627\u0645\u06a9\u0627\u0646 \u0637\u0631\u0627\u062d\u06cc \u0647\u0627\u06cc \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631\u062a\u0631 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062a\u0637\u0628\u06cc\u0642 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86%DB%8C_%D9%84%DB%8C%D8%B3%DA%A9%D9%88%D9%81_LSP\"><\/span>\n<p>  \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 (LSP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0627\u0635\u0648\u0644 \u0645\u0647\u0645 \u062f\u0631 OOP \u0627\u0633\u062a. \u062a\u0648\u0633\u0637 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f <strong>\u0628\u0627\u0631\u0628\u0627\u0631\u0627 \u0644\u06cc\u0633\u06a9\u0648\u0641<\/strong> \u062f\u0631 \u0633\u0627\u0644 1987 \u0637\u06cc \u06cc\u06a9 \u0633\u062e\u0646\u0631\u0627\u0646\u06cc \u062f\u0631 \u06a9\u0646\u0641\u0631\u0627\u0646\u0633\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0632\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627.<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0635\u0644 \u0645\u06cc \u06af\u0648\u06cc\u062f: &#8220;\u0627\u0634\u06cc\u0627\u0621 \u06cc\u06a9 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0622\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u0635\u062d\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0627\u0628\u0644 \u062a\u0639\u0648\u06cc\u0636 \u0628\u0627\u0634\u0646\u062f&#8221;.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 Circle \u0648 Rectangle \u0632\u06cc\u0631 \u0627\u0646\u0648\u0627\u0639 Shape \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u0647\u06cc\u0686 \u0645\u0634\u06a9\u0644\u06cc \u0634\u06cc Shape \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0634\u06cc Circle \u06cc\u0627 Rectangle \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public interface Shape {\n  public double area();\n}\n\nclass Circle implements Shape {\n    private double radius;\n\n    public Circle(double radius) {\n        this.radius = radius;\n    }\n\n    @Override\n    public double area() {\n        return Math.PI * (radius * radius);\n    }\n}\n\nclass Rectangle implements Shape {\n    private double length;\n    private double width;\n\n    public Rectangle(double length, double width) {\n        this.length = length;\n        this.width = width;\n    }\n\n    @Override\n    public double area() {\n        return length * width;\n    }\n}\n\npublic class Main {\n    public static void main(String[] args) {\n        Shape circle = new Circle(5); \/\/ Replace Shape object with Circle\n        Shape rectangle = new Rectangle(4, 6); \/\/ Replace Shape object with Rectangle\n\n        System.out.println(circle.area());\n        System.out.println(rectangle.area());\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u060c \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0644\u06cc\u0633\u06a9\u0648\u0641 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u0645.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_LSP\"><\/span>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 LSP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u06a9\u062f \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647<\/strong> : \u0628\u0627 \u062d\u0635\u0648\u0644 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0646\u0648\u0627\u0639 \u0641\u0631\u0639\u06cc \u0631\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u067e\u0627\u06cc\u0647 \u0622\u0646\u0647\u0627 \u06a9\u0631\u062f\u060c \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 \u0646\u0648\u0639 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627\u06cc \u0622\u0646 \u06a9\u0627\u0631 \u06a9\u0646\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u06a9\u062f \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/strong> : \u062d\u0641\u0638 \u06a9\u062f\u06cc \u06a9\u0647 \u0627\u0632 LSP \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06a9\u0627\u0644 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u0635\u0644\u0627\u062d \u06cc\u0627 \u06af\u0633\u062a\u0631\u0634 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<li>\n<strong>\u062a\u0633\u062a \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631<\/strong> : LSP \u0646\u0648\u0634\u062a\u0646 \u062a\u0633\u062a\u200c\u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u062a\u0633\u062a\u200c\u0647\u0627 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631 \u062e\u0644\u0627\u0641 \u0646\u0648\u0639 \u067e\u0627\u06cc\u0647 \u0646\u0648\u0634\u062a \u0648 \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0632\u06cc\u0631\u06af\u0631\u0648\u0647\u200c\u0647\u0627 \u06a9\u0627\u0631 \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D8%AC%D8%AF%D8%A7%D8%B3%D8%A7%D8%B2%DB%8C_%D8%B1%D8%A7%D8%A8%D8%B7_ISP\"><\/span>\n<p>  \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 (ISP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 \u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0646\u062c \u0627\u0635\u0644 SOLID \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 <strong>\u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646<\/strong>. \u0628\u06cc\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f: \u00ab\u06a9\u0644\u0627\u06cc\u0646\u062a\u200c\u0647\u0627 \u0646\u0628\u0627\u06cc\u062f \u0645\u062c\u0628\u0648\u0631 \u0634\u0648\u0646\u062f \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0634\u0648\u0646\u062f\u00bb.<\/p>\n<p>\u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0648\u0627\u0633\u0637\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u0648\u0638\u06cc\u0641\u0647 \u0628\u0647\u062a\u0631 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0639\u0645\u0648\u0645\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0639\u0645\u0648\u0645\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public interface MultifunctionPrinter {\n    void printDocument(Document document);\n    void scanDocument(Document document);\n    void faxDocument(Document document);\n}\n\npublic class BasicPrinter implements MultifunctionPrinter {\n    @Override\n    public void printDocument(Document document) {\n        System.out.println(\"Printing: \" + document.name());\n    }\n\n    @Override\n    public void scanDocument(Document document) {\n        throw new UnsupportedOperationException(\"Scanning not supported.\");\n    }\n\n    @Override\n    public void faxDocument(Document document) {\n        throw new UnsupportedOperationException(\"Faxing not supported.\");\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0647\u0645\u0647 \u0645\u0646\u0638\u0648\u0631\u0647 \u0645\u0627\u0646\u0646\u062f MultifunctionPrinter \u0645\u0627 \u0631\u0627 \u0645\u062c\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0639\u0645\u0644 \u0628\u062f\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0635\u0644 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D8%B1%D8%A7%D8%A8%D8%B7_%D9%87%D8%A7\"><\/span>\n<p>  \u0631\u0627\u0628\u0637 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public interface Printer {\n    void printDocument(Document document);\n}\n\npublic interface Scanner {\n    void scanDocument(Document document);\n}\n\npublic interface Fax {\n    void faxDocument(Document document);\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"%D9%BE%DB%8C%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%87%D8%A7\"><\/span>\n<p>  \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public class BasicPrinter implements Printer {\n    @Override\n    public void printDocument(Document document) {\n        System.out.println(\"Printing: \" + document.name());\n    }\n}\n\npublic class AdvancedPrinter implements Printer, Scanner {\n    @Override\n    public void printDocument(Document document) {\n        System.out.println(\"Printing: \" + document.name());\n    }\n\n    @Override\n    public void scanDocument(Document document) {\n        System.out.println(\"Scanning: \" + document.name());\n    }\n}\n\npublic class FaxMachine implements Fax {\n    @Override\n    public void faxDocument(Document document) {\n        System.out.println(\"Faxing: \" + document.name());\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <strong>ISP<\/strong> \u060c \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062e\u0635\u0648\u0635 \u0646\u0642\u0634 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f\u06cc\u0645 &#8211; \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u067e\u06af\u0631\u060c \u0627\u0633\u06a9\u0646\u0631 \u0648 \u0641\u06a9\u0633. \u0627\u06cc\u0646 \u0628\u0647 \u0647\u0631 \u06a9\u0644\u0627\u0633 (\u0645\u062b\u0644\u0627\u064b BasicPrinter\u060c AdvancedPrinter \u06cc\u0627 FaxMachine) \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0641\u0642\u0637 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u062f\u060c \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0628\u0648\u062f\u0646 \u0631\u0627 \u0627\u0631\u062a\u0642\u0627 \u062f\u0627\u062f\u0647 \u0648 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_ISP\"><\/span>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 ISP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<strong>\u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f<\/strong> : \u0628\u0627 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f\u0646 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0628\u0647 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u062e\u0627\u0635 \u062a\u0631\u060c \u06a9\u062f \u0645\u0627\u0698\u0648\u0644\u0627\u0631\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0645\u06cc \u0634\u0648\u062f. \u06a9\u0644\u0627\u0633 \u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u0628\u062e\u0634 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0633\u06cc\u0633\u062a\u0645 \u0622\u0633\u0627\u0646 \u062a\u0631 \u06a9\u0646\u0646\u062f.<\/li>\n<li>\n<strong>\u06a9\u0627\u0647\u0634 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u06a9\u062f<\/strong> : \u0648\u0642\u062a\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u06cc\u0627 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627 \u0641\u0642\u0637 \u0628\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u06a9\u062f \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0648 \u062f\u0631\u06a9 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u062c\u0628\u0648\u0631 \u0646\u06cc\u0633\u062a\u0646\u062f \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627 \u06cc\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0633\u0631 \u0648 \u06a9\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646\u0647\u0627 \u0628\u0647 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0627\u0635 \u0622\u0646\u0647\u0627 \u0645\u0631\u0628\u0648\u0637 \u0646\u06cc\u0633\u062a.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647<\/strong> : \u0628\u0627 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632 \u062a\u0631\u060c \u062d\u0641\u0638 \u06a9\u062f \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0627\u062d\u062a\u0645\u0627\u0644 \u06a9\u0645\u062a\u0631\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0633\u0627\u06cc\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0647\u062f \u0648 \u062e\u0637\u0631 \u0627\u06cc\u062c\u0627\u062f \u0628\u0627\u06af \u06cc\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f.<\/li>\n<li>\n<strong>\u062a\u0633\u062a \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631<\/strong> : \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631 \u0646\u0648\u0634\u062a\u0646 \u062a\u0633\u062a \u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0622\u0632\u0645\u0648\u0646\u200c\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0631 \u0631\u0648\u06cc \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc \u062e\u0627\u0635 \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0646\u0646\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0631\u0648\u0634\u200c\u0647\u0627 \u06cc\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u0628\u0648\u0637 \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u0646\u062f.<\/li>\n<li>\n<strong>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc<\/strong> : \u0628\u0627 \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 ISP\u060c \u0633\u06cc\u0633\u062a\u0645 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f \u0648 \u06af\u0633\u062a\u0631\u0634 \u06cc\u0627 \u0627\u0635\u0644\u0627\u062d \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u06cc\u0627 \u0646\u06cc\u0627\u0632\u0645\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u06cc\u0627 \u0627\u0635\u0644\u0627\u062d \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u0631 \u06a9\u0644 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B5%D9%84_%D9%88%D8%A7%D8%B1%D9%88%D9%86%DA%AF%DB%8C_%D9%88%D8%A7%D8%A8%D8%B3%D8%AA%DA%AF%DB%8C_DIP\"><\/span>\n<p>  \u0627\u0635\u0644 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc (DIP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dependency Inversion Principle \u0627\u0635\u0644 \u0646\u0647\u0627\u06cc\u06cc SOLID \u0627\u0633\u062a. \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0622\u0646 \u0646\u06cc\u0632 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f <strong>\u0631\u0627\u0628\u0631\u062a \u0633\u06cc \u0645\u0627\u0631\u062a\u06cc\u0646<\/strong>. \u0627\u06cc\u0646 \u06a9\u062f\u0647\u0627\u06cc \u0628\u0627 \u0627\u062a\u0635\u0627\u0644 \u0622\u0632\u0627\u062f \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><strong>DIP<\/strong> \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0631\u0627 \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<ul>\n<li>\u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/li>\n<li>\u0647\u0631 \u062f\u0648 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/li>\n<li>\u0627\u0646\u062a\u0632\u0627\u0639 \u0646\u0628\u0627\u06cc\u062f \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<li>\u062c\u0632\u0626\u06cc\u0627\u062a \u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<p>\u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u0633\u0627\u062f\u0647\u060c \u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062e\u0627\u0635 \u062f\u06cc\u06af\u0631 (\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0628\u062a\u0646) \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f <strong>\u0631\u0627\u0628\u0637 \u0647\u0627 \u06cc\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc<\/strong>. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u062f \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0628\u0633\u062a\u0647\u060c \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627 \u0631\u0627 \u062a\u0639\u0648\u06cc\u0636 \u06a9\u0646\u06cc\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%DA%A9%D8%AF_%D9%85%D8%AD%DA%A9%D9%85_%D9%87%D9%85%D8%B1%D8%A7%D9%87_%D8%A8%D8%AF%D9%88%D9%86_DIP\"><\/span>\n<p>  \u06a9\u062f \u0645\u062d\u06a9\u0645 \u0647\u0645\u0631\u0627\u0647 (\u0628\u062f\u0648\u0646 DIP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public class Keyboard {\n    public void type() {\n        System.out.println(\"Typing...\");\n    }\n}\n\npublic class Computer {\n    private Keyboard keyboard;\n\n    public Computer() {\n        this.keyboard = new Keyboard(); \/\/ Direct dependency\n    }\n\n    public void use() {\n        keyboard.type();\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u06a9\u0644\u0627\u0633 Computer \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u06a9\u0644\u0627\u0633 Keyboard \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%DA%A9%D8%AF_%D8%AC%D9%81%D8%AA_%D8%B4%D8%AF%D9%87_%D8%B6%D8%B9%DB%8C%D9%81_%D8%A8%D8%A7_DIP\"><\/span>\n<p>  \u06a9\u062f \u062c\u0641\u062a \u0634\u062f\u0647 \u0636\u0639\u06cc\u0641 (\u0628\u0627 DIP)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>public interface InputDevice {\n    void type();\n}\n\npubic class Keyboard implements InputDevice {\n    @Override\n    public void type() {\n        System.out.println(\"Typing...\");\n    }\n}\n\npublic class Computer {\n    private InputDevice inputDevice;\n\n    public Computer(InputDevice inputDevice) {\n        this.inputDevice = inputDevice; \/\/ Depends on abstraction\n    }\n\n    public void use() {\n        inputDevice.type();\n    }\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0631\u0627\u06cc\u0627\u0646\u0647 \u0628\u0647 \u0631\u0627\u0628\u0637 InputDevice \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u060c \u0646\u0647 \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0627\u0635. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631\u060c \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647 \u0648\u0631\u0648\u062f\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0645\u0627\u0646\u0646\u062f \u0635\u0641\u062d\u0647\u200c\u06a9\u0644\u06cc\u062f \u0628\u06cc\u200c\u0633\u06cc\u0645 \u0633\u0648\u0626\u06cc\u0686 \u06a9\u0646\u06cc\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D8%AF%D9%86%D8%A8%D8%A7%D9%84_%DA%A9%D8%B1%D8%AF%D9%86_DIP\"><\/span>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 DIP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<strong>\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0634\u0644<\/strong> : \u0628\u0627 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u0627\u062a \u0628\u0647 \u062c\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0639\u06cc\u0646\u06cc\u060c \u06a9\u062f\u0647\u0627 \u0628\u0627 \u0647\u0645 \u067e\u06cc\u0648\u0646\u062f \u06a9\u0645\u062a\u0631\u06cc \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u06cc\u06a9 \u0642\u0633\u0645\u062a \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u0631 \u0633\u0627\u06cc\u0631\u06cc\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647<\/strong> : \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0628\u0631 \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u062a\u0623\u062b\u06cc\u0631 \u0646\u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u06af\u0633\u062a\u0631\u0634 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0633\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/strong> : \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u06af\u06cc \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0633\u0631\u06cc\u0639 \u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062a\u0631 \u06a9\u0631\u062f.<\/li>\n<li>\n<strong>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f<\/strong> : \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0633\u0637\u062d \u067e\u0627\u06cc\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0642\u0631\u0627\u0631 \u062f\u0627\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u0646\u062a\u06cc\u062c\u0647\u060c \u0627\u0635\u0648\u0644 SOLID: \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0645\u0646\u0641\u0631\u062f\u060c \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u060c \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc Liskov\u060c \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637\u060c \u0648 \u0648\u0627\u0631\u0648\u0646\u06af\u06cc \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644\u200c\u0647\u0627\u06cc \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u060c \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u200c\u06af\u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0628\u0627 \u0631\u0639\u0627\u06cc\u062a \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644\u060c \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f \u06a9\u0647 \u062f\u0631\u06a9\u060c \u0627\u0635\u0644\u0627\u062d \u0648 \u06af\u0633\u062a\u0631\u0634 \u0622\u0646 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 \u0628\u0627 \u06a9\u06cc\u0641\u06cc\u062a \u0628\u0627\u0644\u0627\u062a\u0631 \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0634\u0648\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AE%D9%84%D8%A7%D8%B5%D9%87\"><\/span>\n<p>  \u062e\u0644\u0627\u0635\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0627 \u062a\u0634\u06a9\u0631 \u0627\u0632 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647! \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u0645 \u0627\u06a9\u0646\u0648\u0646 \u062f\u0631\u06a9 \u06a9\u0627\u0645\u0644\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 SOLID \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0628\u0631\u06cc\u062f.<\/p>\n<p>\u0645\u0646 \u0631\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>&#8211; \u0633\u0627\u062f\u06cc\u0634\u0627 \u0646\u06cc\u0645 \u0633\u0631\u0627<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0645\u062f \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0635\u0648\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u06a9\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627 (OOP) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u0632 \u067e\u0646\u062c \u0627\u0635\u0644 \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a: \u0627\u0633 \u0627\u0635\u0644 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 &#8211; SRP O \u0627\u0635\u0644 \u0628\u0633\u062a\u0647 \u0642\u0644\u0645 &#8211; OCP L \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc &hellip;<\/p>\n","protected":false},"author":2,"featured_media":80869,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-80868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/80868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=80868"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/80868\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/80869"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=80868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=80868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=80868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}