Java tutorial
//package com.java2s; public class Main { /** * This method returns the number of Seconds in a long time format.<br> * @param milliseconds {@link Long} long number representing a time * @return {@link Long} number of Seconds from millisecond given. * @throws IllegalArgumentException {@link Exception} if argument given is less of zero */ public static long getSecondsFromMillisecond(long milliseconds) throws IllegalArgumentException { if (milliseconds < 0) throw new IllegalArgumentException("Milliseconds given can not be less of zero."); return milliseconds / 1000; } }