JAVA EE: How to use isLeap and length methods of Year Class

Thursday 15 March 2018

How to use isLeap and length methods of Year Class | Java 8 Date and Time

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YearDemo1.java

import java.time.Year;

public class YearDemo1

{

    public static void main(String[] args)

    {

        Year year = Year.of(2017);

        System.out.println(year);

        /*

         * Returns:

         * 

         * true if the year is leap, false otherwise

         */

        boolean isLeap = year.isLeap();

        System.out.println(year+ " is a leap year? = " + isLeap);

    }

}

Output

2017

2017 is a leap year? = false

YearDemo2.java

import java.time.Year;

public class YearDemo2

{

    public static void main(String[] args)

    {

        /*

         * Parameters:

         * 

         * year - the year to check

         * 

         * Returns:

         * 

         * true if the year is leap, false otherwise

         */

        boolean isLeap = Year.isLeap(2012);

        System.out.println("2012 is a Leap year? = " + isLeap);

        isLeap = Year.isLeap(2014);

        System.out.println("2014 is a Leap year? = " + isLeap);

    }

}

Output

is a Leap year? = true

is a Leap year? = false

YearDemo3.java

import java.time.Year;

public class YearDemo3

{

    public static void main(String[] args)

    {

        Year year = Year.of(2017);

        System.out.println(year);

        /*

         * Returns:

         * 

         * the length of this year in days, 365 or 366

         */

        int length = year.length();

        System.out.println("length = " + length);

    }

}