Java tutorial
//package com.java2s; import java.util.concurrent.TimeUnit; public class Main { public static String timeFormatMillis(int millis) { long seconds = TimeUnit.MILLISECONDS.toSeconds(millis); long minutes = seconds / 60; seconds = seconds - minutes * 60; return String.format("%01d:%02d", minutes, seconds); } public static String timeFormatMillis(String millis) { try { int value = Integer.valueOf(millis); return timeFormatMillis(value); } catch (Exception e) { e.printStackTrace(); } return null; } }