Here you can find the source of sameYearAndMonth(Date d1, Date d2)
public static boolean sameYearAndMonth(Date d1, Date d2)
//package com.java2s; /*//from ww w . j a v a 2s .c o m * #%L * Webstar Newsletter * %% * Copyright (C) 2013 Webstar Csoport Kft. * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * #L% */ import java.util.*; public class Main { public static boolean sameYearAndMonth(Date d1, Date d2) { if (d1 == null || d2 == null) { return false; } Calendar c1 = new GregorianCalendar(); c1.setTime(d1); Calendar c2 = new GregorianCalendar(); c2.setTime(d2); return c1.get(Calendar.YEAR) == c2.get(Calendar.YEAR) && c1.get(Calendar.MONTH) == c2.get(Calendar.MONTH); } }