Here you can find the source of minuteBetween(Date smdate, Date bdate)
public static int minuteBetween(Date smdate, Date bdate) throws ParseException
//package com.java2s; /**//from w w w . ja va 2 s .co m * Copyright (c) 2011-2016, Eason Pan(pylxyhome@vip.qq.com). * * 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. */ import java.text.ParseException; import java.util.Calendar; import java.util.Date; public class Main { public static int minuteBetween(Date smdate, Date bdate) throws ParseException { Calendar cal = Calendar.getInstance(); cal.setTime(smdate); long time1 = cal.getTimeInMillis(); cal.setTime(bdate); long time2 = cal.getTimeInMillis(); long between_days = (time2 - time1) / (1000 * 60); return Integer.parseInt(String.valueOf(between_days)); } }