Here you can find the source of millisToTime(final long time)
public static String millisToTime(final long time)
//package com.java2s; /*/* w w w . j av a 2s . c o m*/ Copyright 2011 Udayakumar Dhansingh (Udy) Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ public class Main { public static String millisToTime(final long time) { String format = String.format("%%0%dd", 2); long elapsedTime = time / 1000; String seconds = String.format(format, elapsedTime % 60); String minutes = String.format(format, (elapsedTime % 3600) / 60); String hours = String.format(format, elapsedTime / 3600); String output = hours + ":" + minutes + ":" + seconds; return output; } }