Here you can find the source of formatShortDuration(long ms)
public static String formatShortDuration(long ms)
//package com.java2s; //License from project: Open Source License public class Main { private static long HOUR_TO_MILLISEC = 3600000; private static long MIN_TO_MILLISEC = 60000; public static String formatShortDuration(long ms) { long hour = ms / HOUR_TO_MILLISEC; long min = (ms - hour * HOUR_TO_MILLISEC) / MIN_TO_MILLISEC; return String.format("%sh %sm", hour, min); }/* www .j a v a 2 s . com*/ }