Here you can find the source of isLeapYear(int year)
| Parameter | Description |
|---|---|
| year | The year number. <p> |
true if it is a leap year.
public static boolean isLeapYear(int year)
//package com.java2s; /*/*from ww w. j a v a 2 s .c om*/ * DateHelper.java * * Copyright (c) 2004-2011 Gregory Kotsaftis * gregkotsaftis@yahoo.com * http://zeus-jscl.sourceforge.net/ * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ public class Main { /** * Leap years occur in years exactly divisible by four, <i>except</i> those * years ending in 00 are leap years only if they are divisible by 400. * <p> * * @param year * The year number. * <p> * @return <code>true</code> if it is a leap year. */ public static boolean isLeapYear(int year) { boolean isLeapYear = false; if (year > 0 && (year % 4) == 0) { isLeapYear = true; if ((year % 1000) == 0) // year is '00 { if ((year % 400) != 0) { isLeapYear = false; } } } return (isLeapYear); } }