Here you can find the source of getSystemClassPath()
public static URL[] getSystemClassPath()
//package com.java2s; /*/* ww w . ja v a2 s. co m*/ * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.URL; import java.net.URLClassLoader; public class Main { public static URL[] getSystemClassPath() { return getAppClassLoader().getURLs(); } public static URLClassLoader getAppClassLoader() { return (URLClassLoader) ClassLoader.getSystemClassLoader(); } }