Here you can find the source of equal(Date date, Date other)
public static boolean equal(Date date, Date other)
//package com.java2s; /**/* w ww . j a v a2 s .c o m*/ * Copyright (C) 2013-2014 the original author or authors. * * 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, * 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/> */ import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.TimeZone; public class Main { public static boolean equal(Date date, Date other) { Calendar c1 = new GregorianCalendar(TimeZone.getTimeZone("UTC")); c1.setTime(date); Calendar c2 = new GregorianCalendar(TimeZone.getTimeZone("UTC")); c2.setTime(other); return c1.getTimeInMillis() == c2.getTimeInMillis(); } }