Here you can find the source of millisToTime(long millis)
public static String millisToTime(long millis)
//package com.java2s; /* Barlog Game Engine/*from w w w . j a v a 2 s . c o m*/ * Copyright (C) 2011 Jieni Luchijinzhou a.k.a. Denis Luchkin-Zhou * ----------------------------------------------------------------------- * /com/wyvernzora/barlog/Utilities.java * ----------------------------------------------------------------------- * * Utility class for miscellaneous methods. * * * This program 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 version 3 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.concurrent.TimeUnit; public class Main { public static String millisToTime(long millis) { long h = TimeUnit.HOURS.convert(millis, TimeUnit.MILLISECONDS); long m = TimeUnit.MINUTES.convert(millis, TimeUnit.MILLISECONDS) - h * 60; long s = TimeUnit.SECONDS.convert(millis, TimeUnit.MILLISECONDS) - h * 3600 - m * 60; String sh = Long.toString(h); String sm = Long.toString(m); String ss = Long.toString(s); if (sm.length() < 2) sm = "0" + sm; if (ss.length() < 2) ss = "0" + ss; return String.format("%s:%s:%s", sh, sm, ss); } }