Here you can find the source of millisToString(long millis)
public static String millisToString(long millis)
//package com.java2s; /*// w w w . ja v a 2 s . c o m * Copyright 2014 Space Dynamics Laboratory - Utah State University Research Foundation. * * 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 { public static String millisToString(long millis) { long hours = TimeUnit.MILLISECONDS.toHours(millis); long minutes = TimeUnit.MILLISECONDS.toMinutes(millis) - (hours * 60); long seconds = TimeUnit.MILLISECONDS.toSeconds(millis) - ((hours * 60 * 60) + (minutes * 60)); millis = millis - ((hours * 60 * 60 * 1000) + (minutes * 60 * 1000) + (seconds * 1000)); return String.format("%d hr(s) %d min(s) %d sec(s) %d ms", hours, minutes, seconds, millis); } }