Here you can find the source of addTime(int calendarType, long time, int number)
public static long addTime(int calendarType, long time, int number)
//package com.java2s; /**/*from w ww. jav a 2 s .co m*/ * Copyright (c) 2014 Xiufeng Liu ( xiufeng.liu@uwaterloo.ca ) * <p/> * This file is free software: you may copy, redistribute and/or modify it * under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * <p/> * This file 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. * <p/> * 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.*; public class Main { public static long addTime(int calendarType, long time, int number) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(time); cal.add(calendarType, number); return cal.getTimeInMillis(); } }