Here you can find the source of convertIntoDuration(Long time)
public static String convertIntoDuration(Long time)
//package com.java2s; /* // w ww . j ava 2 s .c o m * Copyright (C) 2017 GetMangos * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import java.sql.Timestamp; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.time.LocalDate; import java.util.Date; import java.util.Locale; import java.util.concurrent.TimeUnit; public class Main { public static String convertIntoDuration(Long time) { int day = (int) TimeUnit.SECONDS.toDays(time); long hours = TimeUnit.SECONDS.toHours(time) - (day * 24); long minute = TimeUnit.SECONDS.toMinutes(time) - (TimeUnit.SECONDS.toHours(time) * 60); long second = TimeUnit.SECONDS.toSeconds(time) - (TimeUnit.SECONDS.toMinutes(time) * 60); StringBuilder sb = new StringBuilder(); sb.append(day).append("d ").append(hours).append("h ").append(minute).append("m ").append(second) .append("s"); return sb.toString(); } public static String toString(Timestamp timestamp) { DateFormat format = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss", Locale.getDefault()); return format.format(new Date(timestamp.getTime())); } public static String toString(LocalDate date) { DateFormat format = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss", Locale.getDefault()); return format.format(date); } public static String toString(Date date) { DateFormat format = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss", Locale.getDefault()); return format.format(date); } }