Here you can find the source of isToday(long timestamp)
public static boolean isToday(long timestamp)
//package com.java2s; /*/*ww w.j a v a 2 s . c om*/ * JStock - Free Stock Market Software * Copyright (C) 2012 Yan Cheng CHEOK <yccheok@yahoo.com> * * 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 2 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ import java.util.*; public class Main { public static boolean isToday(long timestamp) { Calendar calendar = Calendar.getInstance(); int date = calendar.get(Calendar.DATE); int month = calendar.get(Calendar.MONTH); int year = calendar.get(Calendar.YEAR); calendar.setTimeInMillis(timestamp); int _date = calendar.get(Calendar.DATE); int _month = calendar.get(Calendar.MONTH); int _year = calendar.get(Calendar.YEAR); return date == _date && month == _month && year == _year; } }