Java examples for java.util:Hour
set Next Round Hour
/**//from w w w.ja va2 s .c o m * This file is part of JEMMA - http://jemma.energy-home.org * (C) Copyright 2013 Telecom Italia (http://www.telecomitalia.it) * * JEMMA is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License (LGPL) version 3 * or later as published by the Free Software Foundation, which accompanies * this distribution and is available at http://www.gnu.org/licenses/lgpl.html * * JEMMA 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 Lesser General Public License (LGPL) for more details. * */ //package com.java2s; import java.util.Calendar; public class Main { public static void main(String[] argv) throws Exception { Calendar c = Calendar.getInstance(); setNextRoundHour(c); } public static void setNextRoundHour(Calendar c) { // add an hour from now c.add(Calendar.HOUR_OF_DAY, 1); // reset all other fields fraction of the hour c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); c.set(Calendar.MILLISECOND, 0); } }