Here you can find the source of formatTime(long ms)
public static String formatTime(long ms)
//package com.java2s; /******************************************************************************* * Copyright 2015, 2016 Junichi Tatemura * * 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./* www . j a va 2 s .c o m*/ *******************************************************************************/ public class Main { public static final long MS_PER_SECOND = 1000; public static final long SECONDS_PER_MIN = 60; public static final long MIN_PER_HOUR = 60; public static final long HOURS_PER_DAY = 24; public static String formatTime(long ms) { long val = ms / MS_PER_SECOND; final int seconds = (int) (val % SECONDS_PER_MIN); val /= SECONDS_PER_MIN; final int minutes = (int) (val % MIN_PER_HOUR); val /= MIN_PER_HOUR; final int hours = (int) (val % HOURS_PER_DAY); val /= HOURS_PER_DAY; final int days = (int) val; StringBuilder sb = new StringBuilder(); if (days > 1) { sb.append(days).append(" days "); } else if (days == 1) { sb.append("1 day "); } if (hours > 1) { sb.append(hours).append(" hours "); } else if (hours == 1) { sb.append("1 hour "); } if (minutes > 1) { sb.append(minutes).append(" minutes "); } else if (minutes == 1) { sb.append("1 minute "); } if (seconds > 1) { sb.append(seconds).append(" seconds"); } else if (seconds == 1) { sb.append("1 second"); } return sb.toString(); } }