Here you can find the source of toTime(long time)
public static String toTime(long time)
//package com.java2s; /*// w w w.jav a 2 s.co m * Copyright 2007 Zhang, Zheng <oldbig@gmail.com> * * This file is part of ZOJ. * * ZOJ is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either revision 3 of the License, or (at your option) any later revision. * * ZOJ 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. * * You should have received a copy of the GNU General Public License along with ZOJ. if not, see * <http://www.gnu.org/licenses/>. */ public class Main { public static String toTime(long time) { return time / 3600 + ":" + time % 3600 / 60 + ":" + time % 60; } }