{"id":87541,"date":"2024-12-10T01:08:41","date_gmt":"2024-12-09T21:38:41","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/enumerating-dictionary-keys-1o61\/"},"modified":"2024-12-10T01:08:41","modified_gmt":"2024-12-09T21:38:41","slug":"enumerating-dictionary-keys-1o61","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/enumerating-dictionary-keys-1o61\/","title":{"rendered":"\u0634\u0645\u0627\u0631\u0634 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc – \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"

Summarize this content to 400 words in Persian Lang
\n \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0646\u062d\u0648\u0647 \u0634\u0645\u0627\u0631\u0634 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0631\u0627 \u062f\u0631 \u062d\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0628\u0631\u0627\u06cc \u062c\u0630\u0627\u0628\u200c\u062a\u0631 \u06a9\u0631\u062f\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062b\u0627\u0644 \u062c\u062f\u06cc\u062f\u06cc \u0628\u0632\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u06af\u0627\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06a9\u0634\u0648\u0631\u0647\u0627 \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0647\u0631 \u06a9\u0634\u0648\u0631 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0627\u0633\u062a \u0648 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u06af\u0627\u0647 \u0647\u0627\u06cc \u0622\u0646 \u06a9\u0634\u0648\u0631 \u0627\u0633\u062a.<\/p>\n

\u0645\u0641\u0627\u0647\u06cc\u0645 \u06a9\u0644\u06cc\u062f\u06cc<\/p>\n

\u0634\u0645\u0627\u0631\u0634 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a:<\/p>\n

\u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u0645. \u0631\u0627 Keys \u0648\u06cc\u0698\u06af\u06cc \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0631\u0634 \u062a\u0645\u0627\u0645 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n

\u0628\u0631\u0631\u0633\u06cc \u0648\u062c\u0648\u062f \u06a9\u0644\u06cc\u062f:<\/p>\n

\u0631\u0627 ContainsKey \u0645\u062a\u062f \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0628\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u06a9\u0647 \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0646\u062f\u0627\u0631\u06cc\u0645.<\/p>\n

\u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0648 \u067e\u0631\u062f\u0627\u0632\u0634:<\/p>\n

\u0645\u0642\u062f\u0627\u0631 \u0645\u062a\u0646\u0627\u0638\u0631 \u0628\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u06cc\u0646\u062a\u06a9\u0633 \u0628\u0631\u0627\u06a9\u062a \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u06af\u0627\u0647 \u0647\u0627 \u0627\u0633\u062a\u060c \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0627\u0633\u062a.<\/p>\n

LINQ \u0628\u0631\u0627\u06cc \u0646\u062a\u0627\u06cc\u062c \u0641\u06cc\u0644\u062a\u0631:<\/p>\n

LINQ \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f Take \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0648\u062b\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627<\/p>\n

\u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u06a9\u0627\u0645\u0644<\/p>\n

using System;
\nusing System.Collections.Generic;
\nusing System.Linq;<\/p>\n

class Program
\n{
\n static void Main()
\n {
\n \/\/ Dictionary of countries and their respective universities
\n var universities = new Dictionary<string, List<University>>
\n {
\n {
\n “USA”,
\n new List<University>
\n {
\n new University(“MIT”, “Massachusetts”),
\n new University(“Stanford University”, “California”),
\n new University(“Harvard University”, “Massachusetts”),
\n \/\/ Add more universities if needed
\n }
\n },
\n {
\n “UK”,
\n new List<University>
\n {
\n new University(“University of Oxford”, “Oxford”),
\n new University(“University of Cambridge”, “Cambridge”),
\n new University(“Imperial College London”, “London”),
\n \/\/ Add more universities if needed
\n }
\n }
\n };<\/p>\n

\/\/ Display available countries
\n Console.WriteLine(“Available countries:”);
\n foreach (var country in universities.Keys)
\n {
\n Console.WriteLine(country);
\n }<\/p>\n

\/\/ Ask the user to select a country
\n Console.WriteLine(“\\nEnter a country:”);
\n string selectedCountry = Console.ReadLine();<\/p>\n

\/\/ Check if the selected country exists in the dictionary
\n if (universities.ContainsKey(selectedCountry))
\n {
\n Console.WriteLine($”\\nTop universities in {selectedCountry}:”);<\/p>\n

\/\/ Retrieve and display universities in the selected country
\n foreach (var university in universities[selectedCountry].Take(5))
\n {
\n Console.WriteLine($”- {university.Name}, located in {university.Location}”);
\n }
\n }
\n else
\n {
\n Console.WriteLine(“Country not found.”);
\n }
\n }
\n}<\/p>\n

\/\/ University class definition
\nclass University
\n{
\n public string Name { get; set; }
\n public string Location { get; set; }<\/p>\n

public University(string name, string location)
\n {
\n Name = name;
\n Location = location;
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062a\u0648\u0636\u06cc\u062d \u0622\u06cc\u06cc\u0646 \u0646\u0627\u0645\u0647<\/p>\n

\u062a\u0639\u0631\u06cc\u0641 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a:<\/p>\n

\u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0628\u0647 \u0646\u0627\u0645 universities \u0646\u0642\u0634\u0647 \u0646\u0627\u0645 \u06a9\u0634\u0648\u0631\u0647\u0627 (string) \u0628\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 University \u0627\u0634\u06cc\u0627\u0621<\/p>\n

\u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0634\u0645\u0627\u0631\u0634:<\/p>\n

\u0631\u0627 Keys \u062f\u0627\u0631\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0641\u0647\u0631\u0633\u062a \u06a9\u0631\u062f\u0646 \u0647\u0645\u0647 \u06a9\u0634\u0648\u0631\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0634\u0648\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0622\u0633\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631:<\/p>\n

\u0631\u0627 ContainsKey \u0631\u0648\u0634 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0646\u06af\u0627\u0645 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u06a9\u0634\u0648\u0631 \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0627\u0632 \u06a9\u0627\u0631 \u0646\u0645\u06cc \u0627\u0641\u062a\u062f.<\/p>\n

\u0646\u0645\u0627\u06cc\u0634 \u0646\u062a\u0627\u06cc\u062c:<\/p>\n

\u0628\u0631\u0627\u06cc \u06a9\u0634\u0648\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u062f\u0647\u060c \u062f\u0627\u0646\u0634\u06af\u0627\u0647 \u0647\u0627\u06cc \u0628\u0631\u062a\u0631 (\u062d\u062f\u0627\u06a9\u062b\u0631 5) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f Take \u0631\u0648\u0634 \u0627\u0632 LINQ.<\/p>\n

\u062e\u0631\u0648\u062c\u06cc \u0646\u0645\u0648\u0646\u0647<\/p>\n

\u0633\u0646\u0627\u0631\u06cc\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc 1: \u06a9\u0634\u0648\u0631 \u0645\u0639\u062a\u0628\u0631<\/p>\n

Available countries:
\nUSA
\nUK<\/p>\n

Enter a country:
\nUSA<\/p>\n

Top universities in USA:
\n– MIT, located in Massachusetts
\n– Stanford University, located in California
\n– Harvard University, located in Massachusetts<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0633\u0646\u0627\u0631\u06cc\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc 2: \u06a9\u0634\u0648\u0631 \u0646\u0627\u0645\u0639\u062a\u0628\u0631<\/p>\n

Available countries:
\nUSA
\nUK<\/p>\n

Enter a country:
\nCanada
\nCountry not found.<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062e\u0648\u0631\u0627\u06a9\u06cc \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc<\/p>\n

\u0634\u0645\u0627\u0631\u0634 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f Keys \u0648\u06cc\u0698\u06af\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u062a\u0645\u0627\u0645 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a.<\/p>\n

\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u06a9\u0644\u06cc\u062f: \u0647\u0645\u06cc\u0634\u0647 \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u0628\u0627 ContainsKey.<\/p>\n

LINQ \u0628\u0631\u0627\u06cc \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646: \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f Take \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

\n

\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0646\u062d\u0648\u0647 \u0634\u0645\u0627\u0631\u0634 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0631\u0627 \u062f\u0631 \u062d\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0628\u0631\u0627\u06cc \u062c\u0630\u0627\u0628\u200c\u062a\u0631 \u06a9\u0631\u062f\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062b\u0627\u0644 \u062c\u062f\u06cc\u062f\u06cc \u0628\u0632\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u06af\u0627\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06a9\u0634\u0648\u0631\u0647\u0627 \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0647\u0631 \u06a9\u0634\u0648\u0631 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0627\u0633\u062a \u0648 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u06af\u0627\u0647 \u0647\u0627\u06cc \u0622\u0646 \u06a9\u0634\u0648\u0631 \u0627\u0633\u062a.<\/p>\n\n

\n
\n

\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n