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Java LocalDate Class | isLeapYear() Method with Example

LocalDate Class isLeapYear() method: Here, we are going to learn about the isLeapYear() method of LocalDate Class with its syntax and example.
Submitted by Preeti Jain, on May 30, 2020

LocalDate Class isLeapYear() method

• isLeapYear() method is available in java.time package.
• isLeapYear() method is used to check whether the year field value is a leap year or not based on ISO Calendar System.
• isLeapYear() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• isLeapYear() method does not throw an exception at the time of checking the status.

Syntax:

    public boolean isLeapYear();

Parameter(s):

• None

Return value:

The return type of this method is boolean, it returns true when the year is a leap year otherwise it returns false.

Example:

// Java program to demonstrate the example 
// of isLeapYear() method of LocalDate

import java.time.*;

public class IsLeapYearOfLocalDate {
    public static void main(String args[]) {
        // Instantiates two LocalDate
        LocalDate l_da1 = LocalDate.parse("2007-04-04");
        LocalDate l_da2 = LocalDate.now();

        // Display l_da1,l_da2
        System.out.println("LocalDate l_da1 and l_da2: ");
        System.out.println("l_da1: " + l_da1);
        System.out.println("l_da2: " + l_da2);

        System.out.println();

        // Here, this method checks whether this
        // date l_da1 year is a leap year according
        // to ISO Calendar rules or not i.e.
        // here it returns false because l_da1
        // year (2007) is not a leap year
        boolean status = l_da1.isLeapYear();

        // Display status
        System.out.println("l_da1.isLeapYear(): " + status);

        // Here, this method checks whether this 
        // date l_da2 year is a leap year according
        // to ISO Calendar rules or not i.e.
        // here it returns true because l_da2
        // year (2020) is a leap year
        status = l_da2.isLeapYear();

        // Display status
        System.out.println("l_da2.isLeapYear(): " + status);
    }
}

Output

LocalDate l_da1 and l_da2: 
l_da1: 2007-04-04
l_da2: 2020-05-30

l_da1.isLeapYear(): false
l_da2.isLeapYear(): true