C# Program to Swap 2 Numbers

1. /*

2.  * C# Program to Swap two Numbers

3.  */

4. using System;

5. using System.Collections.Generic;

6. using System.Linq;

7. using System.Text;

8. namespace Program

9. {

10.     class Program

11.     {

12.         static void Main(string[] args)

13.         {

14.             int num1, num2, temp;

15.             Console.Write("\nEnter the First Number : ");

16.             num1 = int.Parse(Console.ReadLine());

17.             Console.Write("\nEnter the Second Number : ");

18.             num2 = int.Parse(Console.ReadLine());

19.             temp = num1;

20.             num1 = num2;

21.             num2 = temp;

22.             Console.Write("\nAfter Swapping : ");

23.             Console.Write("\nFirst Number : "+num1);

24.             Console.Write("\nSecond Number : "+num2);

25.             Console.Read();

26.         }

27.     }

28. }

Here is the output of the C# Program:

Enter the First Number : 23
Enter the Second Number : 25
After Swapping :
First Number : 25
Second Number : 23