Here you can find the source of getOffsetMins(String strDate, String strDate2)
public static int getOffsetMins(String strDate, String strDate2) throws Exception
//package com.java2s; /**//w ww . j a v a 2 s . c o m * Copyright (C) 2012 Cardinal Info.Tech.Co.,Ltd. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, version 3, * as published by the Free Software Foundation. * * 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static int getOffsetMins(String strDate, String strDate2) throws Exception { String pFormat = "yyyy-MM-dd HH:mm"; SimpleDateFormat fmt = new SimpleDateFormat(pFormat); SimpleDateFormat fmt2 = new SimpleDateFormat(pFormat); Date paramDate1 = fmt.parse(strDate); Date paramDate2 = fmt2.parse(strDate2); return getOffsetMins(paramDate1, paramDate2); } public static int getOffsetMins(Date pDate1, Date pDate2) throws Exception { long aa = pDate1.getTime(); long bb = pDate2.getTime(); return (int) ((aa - bb) / (1000 * 60)); } public static String getTime() { Date d = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return sdf.format(d); } }