Java tutorial
//package com.java2s; public class Main { public static String GetTime(long whs) { String time = ""; long h = whs / 3600000; long m = (whs / 60000) % 60; long s = (whs / 1000) % 60; time += String.valueOf(h); if (String.valueOf(m).length() < 2) time += ":0" + String.valueOf(m); else time += ":" + String.valueOf(m); if (String.valueOf(s).length() < 2) time += ":0" + String.valueOf(s); else time += ":" + String.valueOf(s); return time; } }