Here you can find the source of existsResource(String pathName)
public static boolean existsResource(String pathName)
//package com.java2s; /*//from ww w. j av a 2 s .c o m * This file is part of the Jose Project * see http://jose-chess.sourceforge.net/ * (c) 2002-2006 Peter Sch?fer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * */ import java.net.URL; public class Main { public static boolean existsResource(String pathName) { URL url = ClassLoader.getSystemClassLoader().getResource(pathName); return (url != null); } }