Java tutorial
//package com.java2s; /* * Copyright (C) 2013 4th Line GmbH, Switzerland * * The contents of this file are subject to the terms of either the GNU * Lesser General Public License Version 2 or later ("LGPL") or the * Common Development and Distribution License Version 1 or later * ("CDDL") (collectively, the "License"). You may not use this file * except in compliance with the License. See LICENSE.txt for more * information. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */ public class Main { /** * @param s A string representing hours, minutes, seconds, e.g. <code>11:23:44</code> * @return The converted number of seconds. */ public static long fromTimeString(String s) { // Handle "00:00:00.000" pattern, drop the milliseconds if (s.lastIndexOf(".") != -1) s = s.substring(0, s.lastIndexOf(".")); String[] split = s.split(":"); if (split.length != 3) throw new IllegalArgumentException("Can't parse time string: " + s); return (Long.parseLong(split[0]) * 3600) + (Long.parseLong(split[1]) * 60) + (Long.parseLong(split[2])); } }