Java tutorial
//package com.java2s; public class Main { public static String parseTime(int ms) { StringBuilder builder = new StringBuilder(); int hour = ms / 1000 / 3600; if (hour < 10) { builder.append("0"); } builder.append(hour); builder.append(":"); int minute = ms / 1000 % 3600 / 60; if (minute < 10) { builder.append("0"); } builder.append(minute); builder.append(":"); int second = ms / 1000 % 3600 % 60; if (second < 10) { builder.append("0"); } builder.append(second); return builder.toString(); } }