Here you can find the source of computeStartOfNextSecond(long now)
public static long computeStartOfNextSecond(long now)
//package com.java2s; /**//from w w w . j a v a2 s .c om * Logback: the reliable, generic, fast and flexible logging framework. * Copyright (C) 1999-2013, QOS.ch. All rights reserved. * * This program and the accompanying materials are dual-licensed under * either the terms of the Eclipse Public License v1.0 as published by * the Eclipse Foundation * * or (per the licensee's choosing) * * under the terms of the GNU Lesser General Public License version 2.1 * as published by the Free Software Foundation. */ import java.util.Calendar; import java.util.Date; public class Main { public static long computeStartOfNextSecond(long now) { Calendar cal = Calendar.getInstance(); cal.setTime(new Date(now)); cal.set(Calendar.MILLISECOND, 0); cal.add(Calendar.SECOND, 1); return cal.getTime().getTime(); } }