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YearMonth isLeapYear() method in Java with Examples

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  • Last Updated : 30 Nov, 2018

The isLeapYear() method of YearMonth class in Java is used to check if the year in this YearMonth object is a leap year or not.

According to the proleptic calendar system rules, a year is a Leap year if:

  • If it is divisible by 4.
  • It is not divisible by 100 but it can be divisible by 400.

Syntax:

public boolean isLeapYear()

Parameter: This method does not accepts any parameter.

Return Value: It returns a boolean True value if the value of year in this YearMonth object is a leap year according to the proleptic calendar system rules, otherwise it returns False.

Below programs illustrate the isLeapYear() method of YearMonth in Java:

Program 1:




// Program to illustrate the isLeap() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
        // Create YearMonth object
        YearMonth yearMonth = YearMonth.of(2016, 2);
  
        // Check if year in this YearMonth object's
        // value is a leap year or not
        System.out.println(yearMonth.isLeapYear());
    }
}

Output:

true

Program 2:




// Program to illustrate the isLeap() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
        // Create YearMonth object
        YearMonth yearMonth = YearMonth.of(1990, 2);
  
        // Check if year in this YearMonth object's
        // value is a leap year or not
        System.out.println(yearMonth.isLeapYear());
    }
}

Output:

false

Reference: https://docs.oracle.com/javase/8/docs/api/java/time/YearMonth.html#isLeapYear–


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