Here you can find the source of toTimeString(long seconds)
public static String toTimeString(long seconds)
//package com.java2s; /*//from w ww .j a v a 2 s . co m * Copyright (C) 2010 Teleal GmbH, Switzerland * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String toTimeString(long seconds) { long hours = seconds / 3600, remainder = seconds % 3600, minutes = remainder / 60, secs = remainder % 60; return ((hours < 10 ? "0" : "") + hours + ":" + (minutes < 10 ? "0" : "") + minutes + ":" + (secs < 10 ? "0" : "") + secs); } }