The isLeapYear() method of java.time.chrono.JapaneseChronology class is used to differentiate between a leap year and a non leap year. If it is a leap year it will return true otherwise false.
Syntax:
public boolean isLeapYear(long prolepticYear)
Parameter: This method takes prolepticYear as a parameter for checking if it is a leap year or not.
Return Value: This method returns Boolean value true if the proleptic year is leap year otherwise false.
Below are the examples to illustrate the isLeapYear() method:
Example 1:
// Java program to demonstrate// isLeapYear() method  import java.util.*;import java.io.*;import java.time.*;import java.time.chrono.*;  public class GFG {    public static void main(String[] argv)    {        // creating and initializing        // JapaneseDate Object        JapaneseDate hidate            = JapaneseDate.now();          // getting JapaneseChronology        // used in JapaneseDate        JapaneseChronology crono            = hidate.getChronology();          // getting id of this Chronology        // by using isLeapYear() method        boolean flag = crono.isLeapYear(1444);          // display the result        if (flag)            System.out.println(                "this is leap year");        else            System.out.println(                "this is non leap year");    }} |
Output:
this is leap year
Example 2:
// Java program to demonstrate// isLeapYear() method  import java.util.*;import java.io.*;import java.time.*;import java.time.chrono.*;  public class GFG {    public static void main(String[] argv)    {        // creating and initializing        // JapaneseDate Object        JapaneseDate hidate            = JapaneseDate.now();          // getting JapaneseChronology        // used in JapaneseDate        JapaneseChronology crono            = hidate.getChronology();          // getting id of this Chronology        // by using isLeapYear() method        boolean flag = crono.isLeapYear(2005);          // display the result        if (flag)            System.out.println(                "this is leap year");        else            System.out.println(                "this is non leap year");    }} |
Output:
this is non leap year
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/JapaneseChronology.html#isLeapYear-long-
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