{"id":83500,"date":"2024-11-12T11:13:20","date_gmt":"2024-11-12T07:43:20","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/"},"modified":"2024-11-12T11:13:20","modified_gmt":"2024-11-12T07:43:20","slug":"solid-open-closed-principle-in-c-5ci8","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/","title":{"rendered":"SOLID: \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang <\/p>\n<p>  \u0645\u0642\u062f\u0645\u0647<\/p>\n<p>\u0645\u06cc\u200c\u06af\u0648\u06cc\u062f\u060c &#8220;\u0645\u0648\u062c\u0648\u062f\u0627\u062a \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u06cc (\u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u060c \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u060c \u062a\u0648\u0627\u0628\u0639 \u0648 \u063a\u06cc\u0631\u0647) \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u06cc\u062f\u06cc \u0628\u0647 \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 OCP \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u06a9\u062f \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062a\u0631\u060c \u06a9\u0645\u062a\u0631 \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0627 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0647 \u0646\u062d\u0648\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc OCP \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/p>\n<p>  \u0686\u0631\u0627 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u061f<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06a9\u062f &#8220;\u0628\u0627\u0632 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647&#8221; \u0627\u0633\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u0632\u0627\u062d\u0645\u062a \u062f\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c &#8220;\u0628\u0633\u062a\u0647 \u0628\u0648\u062f\u0646 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d&#8221; \u06a9\u062f \u0631\u0627 \u0627\u0632 \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u0627\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u0646\u0637\u0642 \u0627\u0635\u0644\u06cc \u0646\u0627\u0634\u06cc \u0634\u0648\u062f \u0645\u062d\u0627\u0641\u0638\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f \u0648 \u062a\u0633\u062a \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0686\u0646\u062f \u0645\u062b\u0627\u0644 \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645 \u062a\u0627 \u0628\u0641\u0647\u0645\u06cc\u0645 OCP \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>  \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u063a\u06cc\u0631 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 OCP<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a\u0646 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0631\u062f\u0627\u0632\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0633\u062a\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0633\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u067e\u0631\u062f\u0627\u062e\u062a \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p>\u06a9\u062f \u0628\u062f \u274c<\/p>\n<p>public class PaymentProcessor<br \/>\n{<br \/>\n    public void ProcessPayment(string paymentMethod)<br \/>\n    {<br \/>\n        if (paymentMethod == &#8220;CreditCard&#8221;)<br \/>\n        {<br \/>\n            \/\/ Process credit card payment<br \/>\n            Console.WriteLine(&#8220;Processing credit card payment&#8230;&#8221;);<br \/>\n        }<br \/>\n        else if (paymentMethod == &#8220;PayPal&#8221;)<br \/>\n        {<br \/>\n            \/\/ Process PayPal payment<br \/>\n            Console.WriteLine(&#8220;Processing PayPal payment&#8230;&#8221;);<br \/>\n        }<br \/>\n        else if (paymentMethod == &#8220;Bitcoin&#8221;)<br \/>\n        {<br \/>\n            \/\/ Process Bitcoin payment<br \/>\n            Console.WriteLine(&#8220;Processing Bitcoin payment&#8230;&#8221;);<br \/>\n        }<br \/>\n        else<br \/>\n        {<br \/>\n            throw new ArgumentException(&#8220;Invalid payment method.&#8221;);<br \/>\n        }<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 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u062f \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c OCP \u0631\u0627 \u0646\u0642\u0636 \u0645\u06cc \u06a9\u0646\u062f \u0632\u06cc\u0631\u0627 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06cc\u06a9 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u062c\u062f\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 (\u0645\u0627\u0646\u0646\u062f GooglePay \u06cc\u0627 ApplePay\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u06cc\u0645 ProcessPayment \u0631\u0648\u0634 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0627\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u062f \u0634\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627 \u0631\u0634\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0648\u062f.<\/p>\n<p>  Refactoring \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0686\u0646\u062f\u0634\u06a9\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u0645\u0627 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f IPaymentMethod \u0628\u0627 \u06cc\u06a9 ProcessPayment \u0631\u0648\u0634 \u0647\u0631 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u06a9\u0644\u0627\u0633 \u0645\u062e\u0635\u0648\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0645\u0631\u062d\u0644\u0647 1: \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0631\u0627\u0628\u0637<\/p>\n<p>\u0645\u0627 \u0628\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 IPaymentMethod \u0631\u0627\u0628\u0637:<\/p>\n<p>public interface IPaymentMethod<br \/>\n{<br \/>\n    void ProcessPayment();<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>  \u0645\u0631\u062d\u0644\u0647 2: \u0627\u062c\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0628\u062a\u0646 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a<\/p>\n<p>\u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0628\u0639\u062f\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a\u06cc \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 IPaymentMethod:<\/p>\n<p>public class CreditCardPayment : IPaymentMethod<br \/>\n{<br \/>\n    public void ProcessPayment()<br \/>\n    {<br \/>\n        Console.WriteLine(&#8220;Processing credit card payment&#8230;&#8221;);<br \/>\n    }<br \/>\n}<\/p>\n<p>public class PayPalPayment : IPaymentMethod<br \/>\n{<br \/>\n    public void ProcessPayment()<br \/>\n    {<br \/>\n        Console.WriteLine(&#8220;Processing PayPal payment&#8230;&#8221;);<br \/>\n    }<br \/>\n}<\/p>\n<p>public class BitcoinPayment : IPaymentMethod<br \/>\n{<br \/>\n    public void ProcessPayment()<br \/>\n    {<br \/>\n        Console.WriteLine(&#8220;Processing Bitcoin payment&#8230;&#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>  \u0645\u0631\u062d\u0644\u0647 3: \u06a9\u0644\u0627\u0633 PaymentProcessor \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u0647 \u062c\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0627\u0646\u0648\u0627\u0639 \u067e\u0631\u062f\u0627\u062e\u062a\u060c PaymentProcessor \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f IPaymentMethod \u0631\u0627\u0628\u0637. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u062f \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0634\u0648\u062f.<\/p>\n<p>public class PaymentProcessor<br \/>\n{<br \/>\n    public void ProcessPayment(IPaymentMethod paymentMethod)<br \/>\n    {<br \/>\n        paymentMethod.ProcessPayment();<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 \u06a9\u062f Refactored<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u0645:<\/p>\n<p>\u06a9\u062f \u062e\u0648\u0628\u2705<\/p>\n<p>class Program<br \/>\n{<br \/>\n    static void Main()<br \/>\n    {<br \/>\n        PaymentProcessor paymentProcessor = new PaymentProcessor();<\/p>\n<p>        IPaymentMethod creditCardPayment = new CreditCardPayment();<br \/>\n        IPaymentMethod paypalPayment = new PayPalPayment();<br \/>\n        IPaymentMethod bitcoinPayment = new BitcoinPayment();<\/p>\n<p>        paymentProcessor.ProcessPayment(creditCardPayment);<br \/>\n        paymentProcessor.ProcessPayment(paypalPayment);<br \/>\n        paymentProcessor.ProcessPayment(bitcoinPayment);<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\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u060c \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u062c\u062f\u06cc\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c GooglePayPayment) \u0641\u0642\u0637 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062c\u062f\u06cc\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u062f IPaymentMethod\u060c \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 PaymentProcessor.<\/p>\n<p>  \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 OCP<\/p>\n<p>\u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647: \u0642\u0627\u0628\u0644\u06cc\u062a\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0631\u0627 \u0633\u0627\u0632\u06af\u0627\u0631\u062a\u0631 \u06a9\u0631\u062f.<br \/>\n\u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0627\u0647\u0634 \u06cc\u0627\u0641\u062a\u0647: \u0628\u0627 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a\u060c \u062e\u0637\u0627\u0647\u0627 \u06a9\u0645\u062a\u0631 \u0628\u0647 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u062a\u0628\u0637 \u06a9\u062f \u0645\u0646\u062a\u0634\u0631 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<br \/>\n\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647: \u062f\u0631\u06a9 \u06a9\u062f \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0627\u0633\u062a \u0648 \u0648\u0638\u0627\u06cc\u0641 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0642\u0627\u0628\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a\u200c\u062a\u0631 \u0627\u0633\u062a.<br \/>\n\u062a\u0633\u062a \u062a\u0633\u0647\u06cc\u0644 \u0634\u062f\u0647: \u0647\u0631 \u06a9\u0644\u0627\u0633 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 \u0637\u0631\u0627\u062d\u06cc \u06a9\u062f\u06cc \u0631\u0627 \u062a\u0634\u0648\u06cc\u0642 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0634\u06a9\u0633\u062a\u06af\u06cc \u0645\u0642\u0627\u0648\u0645 \u0628\u0627\u0634\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u062d\u0648\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc OCP \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0648 \u062b\u0628\u062a \u06af\u0632\u0627\u0631\u0634 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0627\u06cc\u0645. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0648 \u0686\u0646\u062f\u0634\u06a9\u0644\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0648 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u06a9\u0646\u06cc\u062f &#8211; \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0642\u0648\u06cc\u200c\u062a\u0631\u060c \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u06cc\u06a9 \u062a\u0634\u06a9\u0631 \u0628\u0632\u0631\u06af \u0627\u0632 \u0634\u0645\u0627\u060c \u0631\u0641\u06cc\u0642! \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u062d\u0645\u0627\u06cc\u062a. \ud83d\udc9c \ud83d\udc96 \ud83d\udc9b<\/p>\n<div data-article-id=\"2098051\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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=\"Toggle Table of Content\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%D9%85%D9%82%D8%AF%D9%85%D9%87\" >\u0645\u0642\u062f\u0645\u0647<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%DA%86%D8%B1%D8%A7_%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87%D8%9F\" >\u0686\u0631\u0627 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u061f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%DB%8C%DA%A9_%D9%85%D8%AB%D8%A7%D9%84_%D8%BA%DB%8C%D8%B1_%D8%B3%D8%A7%D8%B2%DA%AF%D8%A7%D8%B1_%D8%A8%D8%A7_OCP\" >\u06cc\u06a9 \u0645\u062b\u0627\u0644 \u063a\u06cc\u0631 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 OCP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#Refactoring_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87\" >Refactoring \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_1_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%DB%8C%DA%A9_%D8%B1%D8%A7%D8%A8%D8%B7\" >\u0645\u0631\u062d\u0644\u0647 1: \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0631\u0627\u0628\u0637<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_2_%D8%A7%D8%AC%D8%B1%D8%A7%DB%8C_%DA%A9%D9%84%D8%A7%D8%B3_%D9%87%D8%A7%DB%8C_%D8%A8%D8%AA%D9%86_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%87%D8%B1_%D8%B1%D9%88%D8%B4_%D9%BE%D8%B1%D8%AF%D8%A7%D8%AE%D8%AA\" >\u0645\u0631\u062d\u0644\u0647 2: \u0627\u062c\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0628\u062a\u0646 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_3_%DA%A9%D9%84%D8%A7%D8%B3_PaymentProcessor_%D8%B1%D8%A7_%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1_%D8%AF%D9%87%DB%8C%D8%AF\" >\u0645\u0631\u062d\u0644\u0647 3: \u06a9\u0644\u0627\u0633 PaymentProcessor \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%DA%A9%D8%AF_Refactored\" >\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u062f Refactored<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%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><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/solid-open-closed-principle-in-c-5ci8\/#%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><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%AF%D9%85%D9%87\"><\/span>\n<p>  \u0645\u0642\u062f\u0645\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u06cc\u200c\u06af\u0648\u06cc\u062f\u060c &#8220;\u0645\u0648\u062c\u0648\u062f\u0627\u062a \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u06cc (\u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u060c \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u060c \u062a\u0648\u0627\u0628\u0639 \u0648 \u063a\u06cc\u0631\u0647) \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u06cc\u062f\u06cc \u0628\u0647 \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 OCP \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u06a9\u062f \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062a\u0631\u060c \u06a9\u0645\u062a\u0631 \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0627 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0647 \u0646\u062d\u0648\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc OCP \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87%D8%9F\"><\/span>\n<p>  \u0686\u0631\u0627 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06a9\u062f &#8220;\u0628\u0627\u0632 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647&#8221; \u0627\u0633\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u0632\u0627\u062d\u0645\u062a \u062f\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c &#8220;\u0628\u0633\u062a\u0647 \u0628\u0648\u062f\u0646 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d&#8221; \u06a9\u062f \u0631\u0627 \u0627\u0632 \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u0627\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u0646\u0637\u0642 \u0627\u0635\u0644\u06cc \u0646\u0627\u0634\u06cc \u0634\u0648\u062f \u0645\u062d\u0627\u0641\u0638\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f \u0648 \u062a\u0633\u062a \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0686\u0646\u062f \u0645\u062b\u0627\u0644 \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645 \u062a\u0627 \u0628\u0641\u0647\u0645\u06cc\u0645 OCP \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%DB%8C%DA%A9_%D9%85%D8%AB%D8%A7%D9%84_%D8%BA%DB%8C%D8%B1_%D8%B3%D8%A7%D8%B2%DA%AF%D8%A7%D8%B1_%D8%A8%D8%A7_OCP\"><\/span>\n<p>  \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u063a\u06cc\u0631 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 OCP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a\u0646 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0631\u062f\u0627\u0632\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0633\u062a\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0633\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u067e\u0631\u062f\u0627\u062e\u062a \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p>\u06a9\u062f \u0628\u062f \u274c<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">PaymentProcessor<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"n\">paymentMethod<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">paymentMethod<\/span> <span class=\"p\">==<\/span> <span class=\"s\">\"CreditCard\"<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ Process credit card payment<\/span>\n            <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing credit card payment...\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span> <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">paymentMethod<\/span> <span class=\"p\">==<\/span> <span class=\"s\">\"PayPal\"<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ Process PayPal payment<\/span>\n            <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing PayPal payment...\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span> <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">paymentMethod<\/span> <span class=\"p\">==<\/span> <span class=\"s\">\"Bitcoin\"<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ Process Bitcoin payment<\/span>\n            <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing Bitcoin payment...\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">ArgumentException<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Invalid payment method.\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u062f \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c OCP \u0631\u0627 \u0646\u0642\u0636 \u0645\u06cc \u06a9\u0646\u062f \u0632\u06cc\u0631\u0627 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06cc\u06a9 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u062c\u062f\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 (\u0645\u0627\u0646\u0646\u062f <code>GooglePay<\/code> \u06cc\u0627 <code>ApplePay<\/code>\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u06cc\u0645 <code>ProcessPayment<\/code> \u0631\u0648\u0634 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0627\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u062f \u0634\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627 \u0631\u0634\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Refactoring_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B1%D9%88%DB%8C_%D8%A7%D8%B2_%D8%A7%D8%B5%D9%84_%D8%A8%D8%A7%D8%B2-%D8%A8%D8%B3%D8%AA%D9%87\"><\/span>\n<p>  Refactoring \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0686\u0646\u062f\u0634\u06a9\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u0645\u0627 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>IPaymentMethod<\/code> \u0628\u0627 \u06cc\u06a9 <code>ProcessPayment<\/code> \u0631\u0648\u0634 \u0647\u0631 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u06a9\u0644\u0627\u0633 \u0645\u062e\u0635\u0648\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_1_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%DB%8C%DA%A9_%D8%B1%D8%A7%D8%A8%D8%B7\"><\/span>\n<p>  \u0645\u0631\u062d\u0644\u0647 1: \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0631\u0627\u0628\u0637<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0627 \u0628\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>IPaymentMethod<\/code> \u0631\u0627\u0628\u0637:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">interface<\/span> <span class=\"nc\">IPaymentMethod<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">();<\/span>\n<span class=\"p\">}<\/span>\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<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_2_%D8%A7%D8%AC%D8%B1%D8%A7%DB%8C_%DA%A9%D9%84%D8%A7%D8%B3_%D9%87%D8%A7%DB%8C_%D8%A8%D8%AA%D9%86_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%87%D8%B1_%D8%B1%D9%88%D8%B4_%D9%BE%D8%B1%D8%AF%D8%A7%D8%AE%D8%AA\"><\/span>\n<p>  \u0645\u0631\u062d\u0644\u0647 2: \u0627\u062c\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0628\u062a\u0646 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0628\u0639\u062f\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a\u06cc \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>IPaymentMethod<\/code>:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">CreditCardPayment<\/span> <span class=\"p\">:<\/span> <span class=\"n\">IPaymentMethod<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing credit card payment...\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">PayPalPayment<\/span> <span class=\"p\">:<\/span> <span class=\"n\">IPaymentMethod<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing PayPal payment...\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">BitcoinPayment<\/span> <span class=\"p\">:<\/span> <span class=\"n\">IPaymentMethod<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Processing Bitcoin payment...\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_3_%DA%A9%D9%84%D8%A7%D8%B3_PaymentProcessor_%D8%B1%D8%A7_%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1_%D8%AF%D9%87%DB%8C%D8%AF\"><\/span>\n<p>  \u0645\u0631\u062d\u0644\u0647 3: \u06a9\u0644\u0627\u0633 PaymentProcessor \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u0647 \u062c\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0627\u0646\u0648\u0627\u0639 \u067e\u0631\u062f\u0627\u062e\u062a\u060c <code>PaymentProcessor<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f <code>IPaymentMethod<\/code> \u0631\u0627\u0628\u0637. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u062f \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">PaymentProcessor<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">ProcessPayment<\/span><span class=\"p\">(<\/span><span class=\"n\">IPaymentMethod<\/span> <span class=\"n\">paymentMethod<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">paymentMethod<\/span><span class=\"p\">.<\/span><span class=\"nf\">ProcessPayment<\/span><span class=\"p\">();<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%DA%A9%D8%AF_Refactored\"><\/span>\n<p>  \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u062f Refactored<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u0645:<\/p>\n<p>\u06a9\u062f \u062e\u0648\u0628\u2705<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">class<\/span> <span class=\"nc\">Program<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">static<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Main<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">PaymentProcessor<\/span> <span class=\"n\">paymentProcessor<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">PaymentProcessor<\/span><span class=\"p\">();<\/span>\n\n        <span class=\"n\">IPaymentMethod<\/span> <span class=\"n\">creditCardPayment<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">CreditCardPayment<\/span><span class=\"p\">();<\/span>\n        <span class=\"n\">IPaymentMethod<\/span> <span class=\"n\">paypalPayment<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">PayPalPayment<\/span><span class=\"p\">();<\/span>\n        <span class=\"n\">IPaymentMethod<\/span> <span class=\"n\">bitcoinPayment<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">BitcoinPayment<\/span><span class=\"p\">();<\/span>\n\n        <span class=\"n\">paymentProcessor<\/span><span class=\"p\">.<\/span><span class=\"nf\">ProcessPayment<\/span><span class=\"p\">(<\/span><span class=\"n\">creditCardPayment<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">paymentProcessor<\/span><span class=\"p\">.<\/span><span class=\"nf\">ProcessPayment<\/span><span class=\"p\">(<\/span><span class=\"n\">paypalPayment<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">paymentProcessor<\/span><span class=\"p\">.<\/span><span class=\"nf\">ProcessPayment<\/span><span class=\"p\">(<\/span><span class=\"n\">bitcoinPayment<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u060c \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u062c\u062f\u06cc\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c <code>GooglePayPayment<\/code>) \u0641\u0642\u0637 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062c\u062f\u06cc\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u062f <code>IPaymentMethod<\/code>\u060c \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 <code>PaymentProcessor<\/code>.<\/p>\n<h2><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><\/h2>\n<ol>\n<li>\n<p><strong>\u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647:<\/strong> \u0642\u0627\u0628\u0644\u06cc\u062a\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0631\u0627 \u0633\u0627\u0632\u06af\u0627\u0631\u062a\u0631 \u06a9\u0631\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0627\u0647\u0634 \u06cc\u0627\u0641\u062a\u0647:<\/strong> \u0628\u0627 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0648\u0634 \u067e\u0631\u062f\u0627\u062e\u062a\u060c \u062e\u0637\u0627\u0647\u0627 \u06a9\u0645\u062a\u0631 \u0628\u0647 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u062a\u0628\u0637 \u06a9\u062f \u0645\u0646\u062a\u0634\u0631 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647:<\/strong> \u062f\u0631\u06a9 \u06a9\u062f \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0627\u0633\u062a \u0648 \u0648\u0638\u0627\u06cc\u0641 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0642\u0627\u0628\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a\u200c\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0633\u062a \u062a\u0633\u0647\u06cc\u0644 \u0634\u062f\u0647:<\/strong> \u0647\u0631 \u06a9\u0644\u0627\u0633 \u0646\u0648\u0639 \u067e\u0631\u062f\u0627\u062e\u062a \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/li>\n<\/ol>\n<h2><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><\/h2>\n<p>\u0627\u0635\u0644 \u0628\u0627\u0632-\u0628\u0633\u062a\u0647 \u0637\u0631\u0627\u062d\u06cc \u06a9\u062f\u06cc \u0631\u0627 \u062a\u0634\u0648\u06cc\u0642 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0634\u06a9\u0633\u062a\u06af\u06cc \u0645\u0642\u0627\u0648\u0645 \u0628\u0627\u0634\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u062d\u0648\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc OCP \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0648 \u062b\u0628\u062a \u06af\u0632\u0627\u0631\u0634 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0627\u06cc\u0645. <br \/>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0648 \u0686\u0646\u062f\u0634\u06a9\u0644\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0648 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u06a9\u0646\u06cc\u062f &#8211; \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f \u0642\u0648\u06cc\u200c\u062a\u0631\u060c \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u06cc\u06a9 \u062a\u0634\u06a9\u0631 \u0628\u0632\u0631\u06af \u0627\u0632 \u0634\u0645\u0627\u060c \u0631\u0641\u06cc\u0642! \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u062d\u0645\u0627\u06cc\u062a. \ud83d\udc9c \ud83d\udc96 \ud83d\udc9b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fytglix0347gg7il4yt8m.gif\" alt=\"\u0628\u0627\u0632 \u0628\u0633\u062a\u0647\" loading=\"lazy\" width=\"420\" height=\"498\" title=\"\"><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0645\u0642\u062f\u0645\u0647 \u0645\u06cc\u200c\u06af\u0648\u06cc\u062f\u060c &#8220;\u0645\u0648\u062c\u0648\u062f\u0627\u062a \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u06cc (\u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u060c \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627\u060c \u062a\u0648\u0627\u0628\u0639 \u0648 \u063a\u06cc\u0631\u0647) \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0635\u0644\u0627\u062d \u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u06cc\u062f\u06cc \u0628\u0647 \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u0628\u0647 OCP \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u06a9\u062f &hellip;<\/p>\n","protected":false},"author":2,"featured_media":83501,"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-83500","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\/83500","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=83500"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/83500\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/83501"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=83500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=83500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=83500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}