Java examples for java.util:Calendar Calculation
Calculates the elapsed time from the past to now.
/**/* w w w. j ava 2s . c om*/ * The MIT License * * Copyright (C) 2007 Asterios Raptis * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //package com.java2s; import java.util.Date; public class Main { public static void main(String[] argv) throws Exception { Date past = new Date(); Date now = new Date(); System.out.println(calculateElapsedTime(past, now)); } /** * Calculates the elapsed time from the past to now. * * @param past * The Date object in the past. * @param now * The Date from now. * @return The elapsed time in long. */ public static long calculateElapsedTime(final Date past, final Date now) { final long elapsedTime = now.getTime() - past.getTime(); return elapsedTime; } }