Here you can find the source of getClasspath()
public static List<URL> getClasspath()
//package com.java2s; /*//ww w .ja v a2 s.co m * Copyright (C) 2014 Daniel Heinrich <dannynullzwo@gmail.com> * * 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 3 of the License, or * (at your option) any later version. * * 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.net.*; import java.util.*; public class Main { public static List<URL> getClasspath() { return Arrays.asList(getClassLoader().getURLs()); } public static URLClassLoader getClassLoader() { return (URLClassLoader) URLClassLoader.getSystemClassLoader(); } }