Java Leap Year Check isLeapYear(int y)

Description

Check if the given year is leap year.

License

Open Source License

Return

true if the year is a leap year

Declaration

public static boolean isLeapYear(int y) 

Method Source Code

//package com.java2s;

public class Main {
    /**//from   w  ww  .ja  va 2  s.c  o  m
     * Check if the given year is leap year.
     *
     * @return <code>true</code> if the year is a leap year
     */
    public static boolean isLeapYear(int y) {
        boolean result = false;

        if (((y % 4) == 0) && // must be divisible by 4...
                ((y < 1582) || // and either before reform year...
                        ((y % 100) != 0) || // or not a century...
                        ((y % 400) == 0))) { // or a multiple of 400...
            result = true; // for leap year.
        }
        return result;
    }
}

Related

1. isJulianLeapYear(int normalizedJulianYear)
2. isLeapYear(final int year)
3. isLeapYear(final int year)
4. isLeapYear(int prolepticYear)
5. isLeapYear(int y)
6. isLeapYear(int year)
7. isLeapYear(int year)
8. isLeapYear(int year)
9. isLeapYear(int year)