More Java Examples / Practice Programs

Write a Java method to check whether an year (integer) entered by the user is a leap year or not

Leap year program in JAVA – To find whether a year is a leap or not is a bit tricky. We assume that if a year number is completely divisible by 4 is a leap year. But it is not the only subtle case. A year is a leap year if −

1. It is evenly divisible by 100
2. If it is divisible by 100 as well as by 400
3. Despite this, all other years evenly divisible by 4 are leap years.

Let’s discuss the algorithm:
1. Take an integer variable for the year

Now assign a value to the variable.
Check whether the year is divisible by 4 but not 100, DISPLAY “leap year”
Else check if the year is divisible by 400, DISPLAY “leap year”
Otherwise, DISPLAY “not leap year”

Code :

import java.util.Scanner;

public class LeapYear {

public static void main(String[] args) {

     int year;

     System.out.println("Enter an Year :: ");

     Scanner sc = new Scanner(System.in);

        year = sc.nextInt();

     if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) System.out.println("Specified year is a leap year");

     else

         System.out.println("Specified year is not a leap year");

}

}

For example – Check for year 2020

OUPUT:

Enter a Year

2020

Specified year is a leap year.

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