Program to check Leap Year

 Program to check whether the input year is leap or not

Here we are using Scanner class to get the input from user and then we are using if-else statements to write the logic to check leap year. To understand this program, you should have the knowledge of following concepts of Core Java Tutorial:
→ If-else statement
→ Read input number in Java program

import java.util.Scanner;
public class Demo {

    public static void main(String[] args) {

    	int year;
    	Scanner scan = new Scanner(System.in);
    	System.out.println("Enter any Year:");
    	year = scan.nextInt();
    	scan.close();
        boolean isLeap = false;

        if(year % 4 == 0)
        {
            if( year % 100 == 0)
            {
                if ( year % 400 == 0)
                    isLeap = true;
                else
                    isLeap = false;
            }
            else
                isLeap = true;
        }
        else {
            isLeap = false;
        }

        if(isLeap==true)
            System.out.println(year + " is a Leap Year.");
        else
            System.out.println(year + " is not a Leap Year.");
    }
}

Output:

Enter any Year: 
2001
2001 is not a Leap Year.