{"id":1274,"date":"2016-04-19T14:24:48","date_gmt":"2016-04-19T12:24:48","guid":{"rendered":"https:\/\/developers.sd\/%d8%a7%d9%84%d8%b9%d8%a8%d8%a7%d8%b1%d8%a7%d8%aa-%d8%a7%d9%84%d8%b4%d8%b1%d8%b7%d9%8a%d8%a9-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a-%d8%b4%d8%a7%d8%b1%d8%a8-c\/"},"modified":"2020-01-16T10:48:51","modified_gmt":"2020-01-16T08:48:51","slug":"%d8%a7%d9%84%d8%b9%d8%a8%d8%a7%d8%b1%d8%a7%d8%aa-%d8%a7%d9%84%d8%b4%d8%b1%d8%b7%d9%8a%d8%a9-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a-%d8%b4%d8%a7%d8%b1%d8%a8-c","status":"publish","type":"post","link":"https:\/\/developers.sd\/?p=1274","title":{"rendered":"\u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0641\u064a \u0644\u063a\u0629 \u0633\u064a \u0634\u0627\u0631\u0628 #C"},"content":{"rendered":"

<\/p>\n

\t\u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u0646 \u0627\u0644\u0623\u0645\u0648\u0631 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0651\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0643\u0645\u0627 \u0647\u0648 \u0645\u0639\u0644\u0648\u0645. \u062a\u0645\u062a\u0644\u0643 \u0644\u063a\u0629 \u0633\u064a \u0634\u0627\u0631\u0628 \u0646\u0648\u0639\u064a\u0646 \u0645\u0646 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0648\u0647\u0645\u0627: \u0628\u0646\u064a\u0629 if-else \u0648\u0628\u0646\u064a\u0629 switch-case. <\/p>\n

\t\"learn-csharp-if-else-switch.png\"\/<\/p>\n

\t\u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0634\u0631\u0637\u064a\u0629 if-else <\/h2>\n

\t\u0648\u0647\u064a \u0628\u0646\u064a\u0629 \u0645\u0623\u0644\u0648\u0641\u0629 \u0641\u064a \u0645\u0639\u0638\u0645 \u0644\u063a\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u0629\u060c \u062a\u0634\u0628\u0647 \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u0641\u064a \u062a\u0634\u0643\u064a\u0644\u0647\u0627 \u062a\u0644\u0643 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0644\u063a\u0627\u062a \u0623\u062e\u0631\u0649 \u0645\u062b\u0644 ++C \u0648 Java. \u062a\u0645\u062a\u0644\u0643 \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u062b\u0644\u0627\u062b\u0629 \u0623\u0634\u0643\u0627\u0644 \u0633\u0646\u062a\u062d\u062f\u0651\u062b \u0639\u0646\u0647\u0627 \u062a\u0628\u0627\u0639\u064b\u0627. <\/p>\n

\t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0648\u0644 \u0644\u0628\u0646\u064a\u0629 if <\/h3>\n

\t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0628\u0633\u0637 \u0644\u0628\u0646\u064a\u0629 if \u0647\u064a: <\/p>\n

 if ([condition]) {     statement1;     statement2;     ... }<\/pre>\n
 \t\u0625\u0630\u0627 \u0643\u0627\u0646 \u062a\u0642\u064a\u064a\u0645 evaluate \u0627\u0644\u0634\u0631\u0637 [condition] \u064a\u0639\u0637\u064a\u0646\u0627 true (\u0623\u064a \u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637) \u0639\u0646\u062f\u0647\u0627 \u0633\u062a\u064f\u0641\u0651\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0636\u0645\u0646 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 {}\u060c \u0648\u0625\u0644\u0651\u0627 (\u0623\u064a \u0644\u0645 \u064a\u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637) \u0641\u0644\u0646 \u064a\u064f\u0646\u0641\u0651\u0630 \u0623\u064a\u0651 \u0645\u0646\u0647\u0627. \u0623\u0646\u0634\u0626 \u0645\u0634\u0631\u0648\u0639\u064b\u0627 \u062c\u062f\u064a\u062f\u064b\u0627 \u0633\u0645\u0651\u0647 Lesson03_1 \u0648\u0627\u0633\u062a\u0628\u062f\u0644 \u0645\u062d\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0645\u0644\u0641 Program.cs \u0628\u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0628\u0633\u064a\u0637 \u0627\u0644\u062a\u0627\u0644\u064a \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0645\u0639 \u0627\u0644\u0639\u062f\u062f 5 \u0648\u064a\u064f\u0638\u0647\u0631 \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u0645\u0646\u0627\u0633\u0628: <\/p>\n
 1  using System; 2  3  namespace Lesson03_1 4  { 5      class Program 6      { 7          static void Main(string[] args) 8          { 9              double x; 10             string str_x; 11 12             Console.Write("Input a number: "); 13             str_x = Console.ReadLine(); 14 15             x = double.Parse(str_x); 16 17             if(x > 5) 18             { 19                 Console.WriteLine("The value {0} is greater than 5", x); 20             } 21 22             Console.WriteLine("Goodbye!"); 23         } 24     } 25 }<\/pre>\n
 \t\u062c\u0631\u0651\u0628 \u062a\u0646\u0641\u064a\u0630 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 Ctrl+F5 (\u0623\u0648 \u0645\u0646 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 Debug > Start Without Debugging<\/strong>). \u0633\u064a\u0637\u0644\u0628 \u0645\u0646\u0643 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0625\u062f\u062e\u0627\u0644 \u0642\u064a\u0645\u0629 \u0639\u062f\u062f\u064a\u0651\u0629\u060c \u0623\u062f\u062e\u0644 \u0627\u0644\u0639\u062f\u062f 6\u060c \u0633\u064a\u0639\u0631\u0636 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 The value 6 is greater than 5  Goodbye!<\/pre>\n
 \t\u0623\u0639\u062f \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0648\u0623\u062f\u062e\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u0651\u0629 \u0627\u0644\u0642\u064a\u0645\u0629 3 \u0644\u062a\u062d\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 Goodbye!<\/pre>\n
 \t\u0644\u0627\u062d\u0638 \u0628\u0623\u0646\u0651 \u062e\u0631\u062c \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0642\u062f \u0627\u062e\u062a\u0644\u0641 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u062f\u062e\u0644\u0629\u060c \u0623\u064a \u0623\u0646\u0651 \u0647\u0646\u0627\u0643 \u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u064a \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u062a\u064a \u062a\u0645\u0651 \u062a\u0646\u0641\u064a\u0630\u0647\u0627 \u0641\u064a \u0643\u0644\u0651 \u0645\u0631\u0651\u0629. \u064a\u0639\u0648\u062f \u0633\u0628\u0628 \u0630\u0644\u0643 \u0625\u0644\u0649 \u0627\u0644\u0628\u0646\u064a\u0629 if \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u064a\u0646 \u0627\u0644\u0633\u0637\u0631\u064a\u0646 17 \u0648 20. \u064a\u062e\u062a\u0628\u0631 \u0627\u0644\u0634\u0631\u0637 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0628\u0639\u062f \u0643\u0644\u0645\u0629 if \u0641\u064a \u0627\u0644\u0633\u0637\u0631 17 \u0641\u064a\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 x \u0623\u0643\u0628\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 5. \u0641\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0646\u062a\u064a\u062c\u0629 \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 x > 5 \u062a\u0633\u0627\u0648\u064a true \u0641\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0651 \u0627\u0644\u0634\u0631\u0637 \u0642\u062f \u062a\u062d\u0642\u0651\u0642 \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u062a\u0646\u0641\u0651\u0630 \u062c\u0645\u064a\u0639 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u062d\u0627\u0636\u0646\u0629 (\u0628\u064a\u0646 \u0627\u0644\u0633\u0637\u0631\u064a\u0646 18 \u0648 20). \u0623\u0645\u0651\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0646\u062a\u064a\u062c\u0629 \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 x > 5 \u062a\u0633\u0627\u0648\u064a false \u0641\u0639\u0646\u062f\u0647\u0627 \u0633\u064a\u062a\u062c\u0627\u0648\u0632 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0628\u0646\u064a\u0629 if \u0625\u0644\u0649 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0623\u062a\u064a \u0628\u0639\u062f \u0627\u0644\u0633\u0637\u0631 20. <\/p>\n
 \t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062b\u0627\u0646\u064a \u0644\u0628\u0646\u064a\u0629 if <\/h3>\n
 \t\u0647\u0630\u0627 \u0627\u0644\u0634\u0643\u0644 \u0644\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0634\u0631\u0637\u064a\u0629 if \u0645\u0641\u064a\u062f \u0623\u064a\u0636\u064b\u0627\u060c \u0648\u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0646\u062f\u0645\u0627 \u0646\u0631\u064a\u062f \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629\u060c \u0648\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0639\u0627\u0645 \u0644\u0647: <\/p>\n
 if ([condition]) {     statement1;     statement2;     ... } else {     Statement3;     Statement4;     ... }<\/pre>\n
 \t\u0644\u0642\u062f \u0623\u0636\u0641\u0646\u0627 \u0627\u0644\u0642\u0633\u0645 else \u0645\u0639 \u062d\u0627\u0636\u0646\u062a\u0647. \u0627\u0644\u0645\u0646\u0637\u0642 \u0647\u0646\u0627 \u0628\u0633\u064a\u0637 \u064a\u0645\u0643\u0646\u0646\u0627 \u0642\u0631\u0627\u0621\u062a\u0647 \u0628\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 \t"\u0625\u0630\u0627 \u062a\u062d\u0642\u0642 \u0627\u0644\u0634\u0631\u0637 [condition] \u0639\u0646\u062f\u0647\u0627 \u062a\u0646\u0641\u0651\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f if \u0645\u0628\u0627\u0634\u0631\u0629\u064b\u060c \u0648\u0625\u0644\u0651\u0627 \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f else \u0645\u0628\u0627\u0634\u0631\u0629\u064b"<\/strong> <\/p>\n
 \t\u0644\u0643\u064a \u0646\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0643\u064a\u0641\u064a\u0651\u0629 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0647\u0630\u0627 \u0627\u0644\u0634\u0643\u0644\u060c \u0623\u0646\u0634\u0626 \u0645\u0634\u0631\u0648\u0639\u064b\u0627 \u062c\u062f\u064a\u062f\u064b\u0627 \u0633\u0645\u0651\u0647 Lesson03_2 \u0648\u0627\u0646\u0633\u062e \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u0644\u0641 Program.cs: <\/p>\n
 1  using System; 2 3  namespace Lesson03_2 4  { 5      class Program 6      { 7          static void Main(string[] args) 8          { 9              double x; 10             string str_x; 11 12             Console.Write("Input a number: "); 13             str_x = Console.ReadLine(); 14 15             x = double.Parse(str_x); 16 17             if (x > 5) 18             { 19                 Console.WriteLine("The value {0} is greater than 5", x); 20             } 21             else 22             { 23                 Console.WriteLine("The value {0} is smaller than or equals 5", x); 24             } 25 26             Console.WriteLine("Goodbye!"); 27         } 28     } 29 }<\/pre>\n
 \t\u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u0637\u0627\u0628\u0642 \u0644\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0630\u064a \u0631\u0623\u064a\u0646\u0627\u0647 \u0642\u0628\u0644 \u0642\u0644\u064a\u0644 \u0628\u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u0627\u0644\u0642\u0633\u0645 else \u0645\u0639 \u062d\u0627\u0636\u0646\u062a\u0647. \u064a\u0633\u0644\u0643 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0646\u0641\u0633 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0630\u064a \u064a\u0633\u0644\u0643\u0647 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0633\u0627\u0628\u0642 \u0628\u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u0623\u0646\u0651\u0647 \u0644\u0648 \u0623\u062f\u062e\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0642\u064a\u0645\u0629 \u0645\u062b\u0644 3 \u0633\u064a\u0639\u0645\u0644 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0639\u0644\u0649 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 The value 3 is smaller than or equals 5  Goodbye!<\/pre>\n
 \t\u0644\u0627\u062d\u0638 \u0623\u0646\u0651 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson03_1 \u0643\u0627\u0646 \u064a\u0637\u0628\u0639 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 !Goodbye \u0641\u0642\u0637 \u0639\u0646\u062f \u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u0642\u064a\u0645\u0629 3. \u0627\u0644\u0633\u0628\u0628 \u0641\u064a \u0638\u0647\u0648\u0631 \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u062c\u062f\u064a\u062f \u0647\u0648 \u0648\u062c\u0648\u062f \u0627\u0644\u0642\u0633\u0645 else \u0641\u064a \u0628\u0646\u064a\u0629 if \u0627\u0644\u0633\u0627\u0628\u0642\u0629\u060c \u0641\u0639\u0646\u062f\u0645\u0627 \u064a\u064f\u0642\u064a\u0651\u0645 \u0627\u0644\u0634\u0631\u0637 x > 5 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 17 \u0648\u062a\u0643\u0648\u0646 \u0646\u062a\u064a\u062c\u0629 \u062a\u0642\u064a\u064a\u0645\u0647 false \u0633\u064a\u0646\u062a\u0642\u0644 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0641\u0648\u0631\u064b\u0627 \u0625\u0644\u0649 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0636\u0645\u0646 \u062d\u0627\u0636\u0646\u0629 else \u0648\u0647\u0630\u0627 \u0647\u0648 \u0633\u0628\u0628 \u0638\u0647\u0648\u0631 \u0647\u0630\u0627 \u0627\u0644\u062e\u0631\u062c. <\/p>\n
 \t\u0627\u0644\u0639\u064a\u0628 \u0627\u0644\u0648\u062d\u064a\u062f \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0623\u0646\u0651\u0647 \u0644\u0627 \u064a\u0633\u062a\u0637\u064a\u0639 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0628\u064a\u0646 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u062a\u0633\u0627\u0648\u064a 5 \u0648\u0628\u064a\u0646 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0623\u0635\u063a\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 5\u060c \u0641\u0641\u064a \u0643\u0644\u0651 \u0645\u0646 \u0647\u0627\u062a\u064a\u0646 \u0627\u0644\u062d\u0627\u0644\u062a\u064a\u0646 \u064a\u0639\u0631\u0636 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0646\u0641\u0633 \u0627\u0644\u062e\u0631\u062c \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 23. <\/p>\n
 \t\u0645\u0644\u0627\u062d\u0638\u0629<\/strong>: \u0641\u064a \u062d\u0627\u0644 \u0643\u0627\u0646\u062a \u0623\u064a\u0651\u0629 \u062d\u0627\u0636\u0646\u0629 \u062a\u062d\u0648\u064a \u0639\u0628\u0627\u0631\u0629 \u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0648\u0627\u062d\u062f \u0641\u0642\u0637\u060c \u0641\u0639\u0646\u062f\u0647\u0627 \u064a\u0645\u0643\u0646 \u0639\u062f\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0648\u0633\u064a \u0627\u0644\u062d\u0627\u0636\u0646\u0629 {} \u0645\u0639 \u0623\u0646\u0651\u0646\u064a \u0623\u0641\u0636\u0651\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0645\u0627 \u0644\u062c\u0639\u0644 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0623\u0643\u062b\u0631 \u0648\u0636\u0648\u062d\u064b\u0627. <\/p>\n
 \t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062b\u0627\u0644\u062b \u0644\u0628\u0646\u064a\u0629 if <\/h3>\n
 \t\u0648\u0647\u0648 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u0645\u0648\u0644\u064b\u0627 \u0648\u0641\u064a\u0647 \u0646\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0642\u0633\u0645 else if \u0639\u0644\u0649 \u0627\u0644\u0635\u0648\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n
 if ([condition]) {     statement1;     statement2;     ... } else if ([condition1]) {     Statement3;     Statement4;     ... } else if ([condition2]) {     Statement3;     Statement4;     ... } ... else {     Statement3;     Statement4;     ... }<\/pre>\n
 \t\u064a\u0645\u0643\u0646\u0646\u0627 \u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u0646\u0637\u0642 \u0647\u0646\u0627 \u0639\u0644\u0649 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 \t"\u0625\u0630\u0627 \u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637 [condition] \u0639\u0646\u062f\u0647\u0627 \u062a\u0646\u0641\u0651\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f if \u0645\u0628\u0627\u0634\u0631\u0629\u064b\u060c \u0648\u0625\u0644\u0651\u0627 \u0625\u0630\u0627 (else if) \u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637 [condition1] \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f else if \u0627\u0644\u0623\u0648\u0644\u0649 \u0645\u0628\u0627\u0634\u0631\u0629\u064b\u060c \u0648\u0625\u0644\u0651\u0627 \u0625\u0630\u0627 \u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637 [condition2] \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f else if \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0645\u0628\u0627\u0634\u0631\u0629\u064b\u060c \u0648\u0625\u0644\u0651\u0627 (else) \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f else \u0645\u0628\u0627\u0634\u0631\u0629\u064b"<\/strong> <\/p>\n
 \t\u0646\u0644\u0627\u062d\u0638 \u0623\u0646\u0651\u0647 \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u0642\u0633\u0627\u0645 else if \u0628\u0642\u062f\u0631 \u0645\u0627 \u0646\u0631\u064a\u062f\u060c \u0648\u0644\u0643\u0646 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0633\u0645 else \u0648\u062d\u064a\u062f. \u0648\u0646\u0644\u0627\u062d\u0638 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646\u0651\u0647 \u0628\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0633\u062a\u0646\u0641\u0651\u0630 \u0645\u062c\u0645\u0648\u0639\u0629 \u0648\u0627\u062d\u062f\u0629 \u0641\u0642\u0637 \u0636\u0645\u0646 \u062d\u0627\u0636\u0646\u0629 \u0645\u0627. \u0648\u0648\u0627\u0636\u062d \u0623\u064a\u0636\u064b\u0627 \u0623\u0646\u0651 \u0623\u0642\u0633\u0627\u0645 else if \u0648 else \u0647\u064a \u0623\u0642\u0633\u0627\u0645 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0651\u0629 \u0648\u0648\u062c\u0648\u062f\u0647\u0627 \u063a\u064a\u0631 \u0645\u0631\u062a\u0628\u0637 \u0628\u0628\u0639\u0636\u0647\u0627\u060c \u0648\u0644\u0643\u0646 \u0625\u0630\u0627 \u062d\u0648\u062a \u0628\u0646\u064a\u0629 if \u0642\u0633\u0645 else if \u0641\u064a\u062c\u0628 \u0623\u064a \u064a\u0643\u0648\u0646 \u0627\u0644\u0642\u0633\u0645 else (\u0641\u064a \u062d\u0627\u0644 \u0648\u062c\u0648\u062f\u0647) \u0647\u0648 \u0627\u0644\u0642\u0633\u0645 \u0627\u0644\u0623\u062e\u064a\u0631. <\/p>\n
 \t\u0644\u0643\u064a \u0646\u062b\u0628\u0651\u062a \u0647\u0630\u0627 \u0627\u0644\u0645\u0641\u0647\u0648\u0645 \u0628\u0634\u0643\u0644 \u062c\u064a\u0651\u062f \u0627\u0646\u0638\u0631 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson03_3 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 1  using System; 2 3  namespace Lesson03_3 4  { 5      class Program 6      { 7          static void Main(string[] args) 8          { 9              double x; 10             string str_x; 11 12             Console.Write("Input a number: "); 13             str_x = Console.ReadLine(); 14 15             x = double.Parse(str_x); 16 17             if (x > 5) 18             { 19                 Console.WriteLine("The value {0} is greater than 5", x); 20             } 21             else if (x == 5) 22             { 23                 Console.WriteLine("The value {0} is equals 5", x); 24             } 25             else 26             { 27                 Console.WriteLine("The value {0} is smaller than 5", x); 28             } 29 30             Console.WriteLine("Goodbye!"); 31         } 32     } 33 }<\/pre>\n
 \t\u064a\u0634\u0628\u0647 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0633\u0627\u0628\u0642\u064a\u0647 \u0625\u0644\u0649 \u062d\u062f\u0651\u064d \u0628\u0639\u064a\u062f\u060c \u0641\u0647\u0648 \u064a\u0642\u0627\u0631\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u0645\u0639 \u0627\u0644\u0639\u062f\u062f 5 \u0648\u064a\u0639\u0631\u0636 \u0631\u0633\u0627\u0644\u0629 \u0645\u0646\u0627\u0633\u0628\u0629 \u0646\u062a\u064a\u062c\u0629 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629. \u0627\u0644\u0634\u064a\u0621 \u0627\u0644\u062c\u062f\u064a\u062f \u0647\u0646\u0627 \u0647\u0648 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0628\u064a\u0646 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u062a\u0633\u0627\u0648\u064a \u0627\u0644\u0639\u062f\u062f 5 \u0648\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0623\u0635\u063a\u0631 \u0645\u0646 \u0627\u0644\u0639\u062f\u062f 5. \u0642\u0645\u0646\u0627 \u0628\u0630\u0644\u0643 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0642\u0633\u0645 else if \u062c\u062f\u064a\u062f \u064a\u062e\u062a\u0628\u0631 \u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0633\u0627\u0648\u0627\u0629 \u0645\u0639 \u0627\u0644\u0639\u062f\u062f 5. \u0627\u0644\u0622\u0646 \u0623\u0635\u0628\u062d \u0645\u0646\u0637\u0642 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0643\u0627\u0644\u062a\u0627\u0644\u064a:  <\/p>\n
 \t"\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u0623\u0643\u0628\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 5 (\u0627\u0644\u0633\u0637\u0631 17) \u0639\u0646\u062f\u0647\u0627 \u062a\u064f\u0646\u0641\u0651\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 19\u060c \u0648\u0625\u0644\u0651\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u062a\u0633\u0627\u0648\u064a 5 (\u0627\u0644\u0633\u0637\u0631 21) \u0639\u0646\u062f\u0647\u0627 \u062a\u064f\u0646\u0641\u0651\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 23\u060c \u0648\u0625\u0644\u0651\u0627 \u0633\u062a\u0643\u0648\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u0623\u0635\u063a\u0631 \u0645\u0646 5 \u062d\u062a\u0645\u064b\u0627\u060c \u0648\u062a\u064f\u0646\u0641\u0651\u064e\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 27." <\/p>\n
 \t\u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0634\u0631\u0637\u064a\u0629 switch-case <\/h2>\n
 \t\u062a\u0641\u064a\u062f \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u0641\u064a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0646 \u0628\u064a\u0646 \u0639\u062f\u0651\u0629 \u062d\u0627\u0644\u0627\u062a \u0645\u0646\u0641\u0635\u0644\u0629. \u0644\u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0639\u0627\u0645 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 switch(expression) {     case [A]:         [statements]         break;      case [B]:         [statements]         break;      ...      [default:]         [statements]         break; }<\/pre>\n
 \t\u0627\u0644\u0642\u0633\u0645 \u0627\u0644\u0623\u062e\u064a\u0631 default \u0647\u0648 \u0642\u0633\u0645 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u060c \u0643\u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u0642\u0633\u0645 case \u0648\u0627\u062d\u062f \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644. \u0625\u0644\u064a\u0643 \u0627\u0644\u0622\u0646 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson03_4 \u0644\u0641\u0647\u0645 \u0643\u064a\u0641\u064a\u0651\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629: <\/p>\n
 1  using System; 2 3  namespace Lesson03_4 4  { 5      class Program 6      { 7          static void Main(string[] args) 8          { 9              double x, y; 10             string str_x, str_y, operation; 11 12             Console.Write("Input first number: "); 13             str_x = Console.ReadLine(); 14 15             Console.Write("Input second number: "); 16             str_y = Console.ReadLine(); 17  18             Console.Write("Choose operation (+, -, *, \/): "); 19             operation = Console.ReadLine(); 20 21             x = double.Parse(str_x); 22             y = double.Parse(str_y); 23             24             switch (operation) 25             { 26                 case "+": 27                     Console.WriteLine("{0} + {1} = {2}", x, y, x + y); 28                     break; 29                 case "-": 30                     Console.WriteLine("{0} - {1} = {2}", x, y, x - y); 31                     break; 32                 case "*": 33                     Console.WriteLine("{0} * {1} = {2}", x, y, x * y); 34                     break; 35                 case "\/": 36                     Console.WriteLine("{0} \/ {1} = {2}", x, y, x \/ y); 37                     break; 38                 default: 39                     Console.WriteLine("Unsupported operation."); 40                     break; 41             } 42         } 43     } 44 }<\/pre>\n
 \t\u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0633\u0627\u0628\u0642 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0628\u0631\u0646\u0627\u0645\u062c \u0622\u0644\u0629 \u062d\u0627\u0633\u0628\u0629 \u0628\u0633\u064a\u0637\u0629 \u062a\u062f\u0639\u0645 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0629 \u0627\u0644\u0623\u0631\u0628\u0639: \u0627\u0644\u062c\u0645\u0639 \u0648\u0627\u0644\u0637\u0631\u062d \u0648\u0627\u0644\u0636\u0631\u0628 \u0648\u0627\u0644\u0642\u0633\u0645\u0629. \u064a\u0637\u0644\u0628 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0625\u062f\u062e\u0627\u0644 \u0642\u064a\u0645\u062a\u064a\u0646 \u0639\u062f\u062f\u064a\u0651\u062a\u064a\u0646\u060c \u0628\u0639\u062f \u0630\u0644\u0643 \u064a\u0637\u0644\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0645\u0644\u064a\u0651\u0629 \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0651\u0629 \u0627\u0644\u0645\u0631\u0627\u062f \u0625\u062c\u0631\u0627\u0624\u0647\u0627 \u0639\u0644\u0649 \u0647\u0627\u062a\u064a\u0646 \u0627\u0644\u0642\u064a\u0645\u062a\u064a\u0646 (+ \u060c – \u060c * \u060c \/) \u0648\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0651\u0629 \u0627\u0644\u0645\u062e\u062a\u0627\u0631\u0629 \u0636\u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 \u0627\u0644\u0646\u0635\u0651\u064a operation \u0648\u0630\u0644\u0643 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 19. \u062a\u0639\u0645\u0644 \u0627\u0644\u0628\u0646\u064a\u0629 switch \u0641\u064a \u0627\u0644\u0633\u0637\u0631 24 \u0639\u0644\u0649 \u0645\u0642\u0627\u0631\u0646\u0629 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 \u0627\u0644\u0646\u0635\u064a\u0651 operation \u0645\u0639 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0623\u0642\u0633\u0627\u0645 case (\u0627\u0644\u0623\u0633\u0637\u0631 26 \u0648 29 \u0648 32 \u0648 35) \u0641\u0625\u0630\u0627 \u0637\u0627\u0628\u0642\u062a \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a operation \u0625\u062d\u062f\u0649 \u062a\u0644\u0643 \u0627\u0644\u0642\u064a\u0645\u060c \u0641\u0625\u0646\u0651 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0636\u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u0642\u0633\u0645 \u0633\u064a\u062a\u0645\u0651 \u062a\u0646\u0641\u064a\u0630\u0647\u0627. \u0623\u0645\u0651\u0627 \u0625\u0630\u0627 \u0644\u0645 \u064a\u062d\u062f\u062b \u0645\u062b\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u0637\u0627\u0628\u0642\u060c \u0641\u0633\u062a\u0646\u0641\u0651\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0642\u0633\u0645 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u064a default \u0648\u0627\u0644\u062a\u064a \u0633\u062a\u062e\u0628\u0631 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 (\u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0645\u062b\u0627\u0644) \u0628\u0623\u0646\u0651 \u0627\u0644\u0639\u0645\u0644\u064a\u0651\u0629 \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0651\u0629 \u0627\u0644\u062a\u064a \u064a\u0631\u063a\u0628\u0647\u0627 \u0644\u0627 \u064a\u062f\u0639\u0645\u0647\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c. <\/p>\n
 \t\u0646\u0633\u062a\u0641\u064a\u062f \u0645\u0646 \u0627\u0644\u0642\u0633\u0645 default \u0641\u064a \u062a\u0646\u0641\u064a\u0630 \u0639\u0628\u0627\u0631\u0627\u062a \u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0641\u064a \u062d\u0627\u0644 \u0644\u0645 \u064a\u062d\u062f\u062b \u0627\u0644\u062a\u0637\u0627\u0628\u0642 \u0645\u0639 \u0623\u064a\u0651 \u0642\u0633\u0645 case \u0633\u0627\u0628\u0642. \u0643\u0645\u0627 \u0646\u0644\u0627\u062d\u0638 \u0623\u0646\u0651 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 break \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0643\u0644\u0651 \u0642\u0633\u0645 \u0645\u0646 \u0623\u0642\u0633\u0627\u0645 case \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0642\u0633\u0645 default \u0647\u064a \u0639\u0628\u0627\u0631\u0629 \u0636\u0631\u0648\u0631\u064a\u0629 \u0648\u062a\u0624\u062f\u0651\u064a \u0625\u0644\u0649 \u0627\u0646\u062a\u0642\u0627\u0644 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0625\u0644\u0649 \u062e\u0627\u0631\u062c \u0628\u0646\u064a\u0629 switch \u0623\u064a \u0625\u0644\u0649 \u0627\u0644\u0633\u0637\u0631 42. <\/p>\n
 \t\u062c\u0631\u0651\u0628 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0648\u0625\u062f\u062e\u0627\u0644 \u0642\u064a\u0645 \u0645\u062a\u0646\u0648\u0651\u0639\u0629 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u062a\u062c\u0631\u064a\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0651\u0629 \u0627\u0644\u0623\u0631\u0628\u0639. \u062c\u0631\u0651\u0628 \u0625\u062f\u062e\u0627\u0644 \u0639\u0627\u0645\u0644 \u0628\u0627\u0642\u064a \u0627\u0644\u0642\u0633\u0645\u0629 \u0645\u062b\u0644\u064b\u0627 (%) \u0648\u0627\u0646\u0638\u0631 \u0643\u064a\u0641 \u0633\u064a\u062c\u064a\u0628 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0628\u0627\u0644\u0631\u0633\u0627\u0644\u0629 Unsupported operation<\/strong>. <\/p>\n
 \t\u062a\u0645\u0627\u0631\u064a\u0646 \u062f\u0627\u0639\u0645\u0629 <\/h2>\n
 \t\u062a\u0645\u0631\u064a\u0646 1 <\/h3>\n
 \t\u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson03_4 \u0627\u0644\u0633\u0627\u0628\u0642 \u0625\u0630\u0627 \u0623\u062f\u062e\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0642\u064a\u0645\u0629 0 \u0644\u0644\u0639\u062f\u062f \u0627\u0644\u062b\u0627\u0646\u064a\u060c \u062b\u0645 \u0627\u062e\u062a\u0627\u0631 \u0639\u0645\u0644\u064a\u0651\u0629 \u0627\u0644\u0642\u0633\u0645\u0629 ( \/ ) \u0633\u064a\u0624\u062f\u0651\u064a \u0630\u0644\u0643 \u0625\u0644\u0649 \u0627\u0644\u0642\u0633\u0645\u0629 \u0639\u0644\u0649 \u0635\u0641\u0631\u060c \u0648\u0647\u0630\u0627 \u064a\u0633\u0628\u0651\u0628 \u062e\u0637\u064b\u0623 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0646\u0641\u064a\u0630 runtime error<\/strong> \u064a\u0624\u062f\u0651\u064a \u0625\u0644\u0649 \u0631\u0645\u064a \u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u0648\u062a\u0648\u0642\u0651\u0641 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0639\u0646 \u0627\u0644\u0639\u0645\u0644. \u0623\u062c\u0631\u0650 \u062a\u0639\u062f\u064a\u0644\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0644\u064a\u0623\u062e\u0630 \u0647\u0630\u0627 \u0627\u0644\u0623\u0645\u0631 \u0628\u0627\u0644\u062d\u0633\u0628\u0627\u0646. <\/p>\n
 \t (\u062a\u0644\u0645\u064a\u062d: \u0623\u0636\u0641 \u0634\u0631\u0637 if \u0636\u0645\u0646 \u0642\u0633\u0645 case \u0627\u0644\u0645\u0648\u0627\u0641\u0642 \u0644\u0644\u0639\u0645\u0644\u064a\u0651\u0629 ( \/ ) \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 y \u0641\u064a\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062a\u0633\u0627\u0648\u064a \u0627\u0644\u0635\u0641\u0631 \u0623\u0645 \u0644\u0627). <\/p>\n
 \t\u062a\u0645\u0631\u064a\u0646 2 <\/h3>\n
 \t\u0627\u0643\u062a\u0628 \u0628\u0631\u0646\u0627\u0645\u062c\u064b\u0627 \u064a\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0625\u062f\u062e\u0627\u0644 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0651\u0629. \u0641\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u0642\u0644 \u0645\u0646 4 \u0645\u0626\u0648\u064a\u0629 \u064a\u0639\u0631\u0636 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0631\u0633\u0627\u0644\u0629 "Very Cold". \u0623\u0645\u0651\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u064a\u0646 4 \u0648\u0623\u0642\u0644 \u0645\u0646 10 \u0645\u0626\u0648\u064a\u0651\u0629 \u064a\u0639\u0631\u0636 \u0627\u0644\u0631\u0633\u0627\u0644\u0629 "Cold". \u0648\u0641\u064a \u062d\u0627\u0644 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u064a\u0646 10 \u0648\u0623\u0642\u0644 \u0645\u0646 30 \u0645\u0626\u0648\u064a\u0651\u0629 \u064a\u0639\u0631\u0636 \u0627\u0644\u0631\u0633\u0627\u0644\u0629 "Normal". \u0623\u0645\u0651\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 30 \u0641\u0645\u0627 \u0641\u0648\u0642 \u0641\u064a\u0639\u0631\u0636 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0631\u0633\u0627\u0644\u0629 "Hot". <\/p>\n
 \t\u0627\u0644\u062e\u0644\u0627\u0635\u0629 <\/h2>\n
 \t\u062a\u0639\u0644\u0651\u0645\u0646\u0627 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0645\u0628\u0627\u062f\u0626 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0648\u0627\u0644\u062d\u0627\u062c\u0629 \u0627\u0644\u0645\u0627\u0633\u0651\u0629 \u0625\u0644\u064a\u0647\u0627 \u0641\u064a \u0627\u062a\u062e\u0627\u0630 \u0627\u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c. \u062a\u0639\u0631\u0651\u0641\u0646\u0627 \u0639\u0644\u0649 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0634\u0631\u0637\u064a\u0629 if-else \u0648\u0623\u0634\u0643\u0627\u0644\u0647\u0627 \u0627\u0644\u0645\u0641\u064a\u062f\u0629\u060c \u0643\u0645\u0627 \u062a\u0639\u0631\u0651\u0641\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u0639\u0644\u0649 \u0628\u0646\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 swicth-case. \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0645\u0646 \u063a\u064a\u0631 \u0627\u0644\u0645\u0645\u0643\u0646 \u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 \u0623\u0646 \u064a\u062e\u0644\u0648 \u0623\u064a\u0651 \u0628\u0631\u0646\u0627\u0645\u062c \u0641\u0639\u0644\u064a\u0651 \u0645\u0646 \u0648\u062c\u0648\u062f \u0639\u0628\u0627\u0631\u0629 \u0634\u0631\u0637\u064a\u0629 if \u0648\u0627\u062d\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644. <\/p>\n","protected":false},"excerpt":{"rendered":"
\u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u0646 \u0627\u0644\u0623\u0645\u0648\u0631 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0651\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0643\u0645\u0627 \u0647\u0648 \u0645\u0639\u0644\u0648\u0645. \u062a\u0645\u062a\u0644\u0643 \u0644\u063a\u0629 \u0633\u064a \u0634\u0627\u0631\u0628 \u0646\u0648\u0639\u064a\u0646 \u0645\u0646 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0637\u064a\u0629 \u0648\u0647\u0645\u0627: \u0628\u0646\u064a\u0629 if-else \u0648\u0628\u0646\u064a\u0629 switch-case. <\/p>\n
 \t\u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0634\u0631\u0637\u064a\u0629 if-else \t\u0648\u0647\u064a \u0628\u0646\u064a\u0629 \u0645\u0623\u0644\u0648\u0641\u0629 \u0641\u064a \u0645\u0639\u0638\u0645 \u0644\u063a\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u0629\u060c \u062a\u0634\u0628\u0647 \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u0641\u064a \u062a\u0634\u0643\u064a\u0644\u0647\u0627 \u062a\u0644\u0643 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0644\u063a\u0627\u062a \u0623\u062e\u0631\u0649 \u0645\u062b\u0644 ++C \u0648 Java. \u062a\u0645\u062a\u0644\u0643 \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u064a\u0629 \u062b\u0644\u0627\u062b\u0629 \u0623\u0634\u0643\u0627\u0644 \u0633\u0646\u062a\u062d\u062f\u0651\u062b \u0639\u0646\u0647\u0627 \u062a\u0628\u0627\u0639\u064b\u0627.
\n \t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0648\u0644 \u0644\u0628\u0646\u064a\u0629 if \t\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0628\u0633\u0637 \u0644\u0628\u0646\u064a\u0629 if \u0647\u064a:
\n if ([condition]) { statement1; statement2; … } \t\u0625\u0630\u0627 \u0643\u0627\u0646 \u062a\u0642\u064a\u064a\u0645 evaluate \u0627\u0644\u0634\u0631\u0637 [condition] \u064a\u0639\u0637\u064a\u0646\u0627 true (\u0623\u064a \u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637) \u0639\u0646\u062f\u0647\u0627 \u0633\u062a\u064f\u0641\u0651\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0636\u0645\u0646 \u0627\u0644\u062d\u0627\u0636\u0646\u0629 {}\u060c \u0648\u0625\u0644\u0651\u0627 (\u0623\u064a \u0644\u0645 \u064a\u062a\u062d\u0642\u0651\u0642 \u0627\u0644\u0634\u0631\u0637) \u0641\u0644\u0646 \u064a\u064f\u0646\u0641\u0651\u0630 \u0623\u064a\u0651 \u0645\u0646\u0647\u0627. \u0623\u0646\u0634\u0626 \u0645\u0634\u0631\u0648\u0639\u064b\u0627 \u062c\u062f\u064a\u062f\u064b\u0627 \u0633\u0645\u0651\u0647 Lesson03_1 \u0648\u0627\u0633\u062a\u0628\u062f\u0644 \u0645\u062d\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0645\u0644\u0641 Program.cs \u0628\u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0628\u0633\u064a\u0637 \u0627\u0644\u062a\u0627\u0644\u064a \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0645\u0639 \u0627\u0644\u0639\u062f\u062f 5 \u0648\u064a\u064f\u0638\u0647\u0631 \u0627\u0644\u062e\u0631\u062c \u0627\u0644\u0645\u0646\u0627\u0633\u0628:
\n 1 using System; 2 3 namespace Lesson03_1 4 { 5 class Program 6 { 7 static void Main(string[] args) 8 { 9 double x; 10 string str_x; 11 12 Console.Write(“Input a number: “); 13 str_x = Console.ReadLi..<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,95],"tags":[],"class_list":["post-1274","post","type-post","status-publish","format-standard","hentry","category-library","category-int-posts"],"_links":{"self":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1274"}],"version-history":[{"count":0,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1274\/revisions"}],"wp:attachment":[{"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}