Java tutorial
//package com.java2s; public class Main { /** * @param duration : 302000 * @return 5:02 */ public static String formatDuration(String duration) { String result = duration; try { long du = Integer.parseInt(result) / 1000; result = String.format("%02d:%02d", du / 60, du % 60); } catch (NumberFormatException e) { e.printStackTrace(); } return result; } public static String formatDuration(int duration) { String result = "00:00"; try { long du = duration / 1000; result = String.format("%02d:%02d", du / 60, du % 60); } catch (NumberFormatException e) { e.printStackTrace(); } return result; } }