Here you can find the source of getDayDiffInMillisec(int p_daysToAdd, int p_startDay, int p_currentDay)
private static long getDayDiffInMillisec(int p_daysToAdd, int p_startDay, int p_currentDay)
//package com.java2s; /**//from w ww. ja va2 s. c o m * Copyright 2009 Welocalize, Inc. * * 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. * */ public class Main { private static long getDayDiffInMillisec(int p_daysToAdd, int p_startDay, int p_currentDay) { Integer dayDiff = new Integer((p_daysToAdd + (p_startDay - p_currentDay)) * 24 * 3600000); return dayDiff.longValue(); } }