Here you can find the source of convertMillisecondsToHHMMSS(long milliseconds)
public static String convertMillisecondsToHHMMSS(long milliseconds)
//package com.java2s; /*// w w w . j a v a 2 s.c om * Copyright 2016 Roche NimbleGen Inc. * * 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. */ import java.util.concurrent.TimeUnit; public class Main { /** * @return a milliscond duration in HH:MM:SS format */ public static String convertMillisecondsToHHMMSS(long milliseconds) { long millisecondsLeft = milliseconds; long hours = TimeUnit.MILLISECONDS.toHours(milliseconds); millisecondsLeft -= TimeUnit.HOURS.toMillis(hours); long minutes = TimeUnit.MILLISECONDS.toMinutes(millisecondsLeft); millisecondsLeft -= TimeUnit.MINUTES.toMillis(minutes); long seconds = TimeUnit.MILLISECONDS.toSeconds(millisecondsLeft); return String.format("%02d:%02d:%02d", hours, minutes, seconds); } }