Here you can find the source of isLeapYear(int year)
public static boolean isLeapYear(int year)
//package com.java2s; /*// ww w .j a v a 2 s . c om * Copyright (C) 2013 www.418log.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static boolean isLeapYear(int year) { if ((year % 4 == 0 && year % 400 != 0) || year % 400 == 0) { return true; } else { return false; } } }