C# Program to Check Whether the Entered Year is a Leap Year or Not

1. /*

2.  * C# Program to Check Whether the Entered Year is a Leap Year or Not

3.  */

4. using System;

5. using System.Collections.Generic;

6. using System.Linq;

7. using System.Text;

9. namespace Program

10. {

11.     class leapyear

12.     {

13.         static void Main(string[] args)

14.         {

15.             leapyear obj = new leapyear();

16.             obj.readdata();

17.             obj.leap();

18.         }

19.         int y;

20.         public void readdata()

21.         {

22.             Console.WriteLine("Enter the Year in Four Digits : ");

23.             y = Convert.ToInt32(Console.ReadLine());

24.         }

25.         public void leap()

26.         {

27.             if ((y % 4 == 0 && y % 100 != 0) || (y % 400 == 0))

28.             {

29.                 Console.WriteLine("{0} is a Leap Year", y);

30.             }

31.             else

32.             {

33.                 Console.WriteLine("{0} is not a Leap Year", y);

34.             }

35.             Console.ReadLine();

36.         }

37.     }

38. }

Here is the output of the C# Program:

Enter the Year in Four Digits : 1004
1004 is a Leap Year