Here you can find the source of getClasspath()
public static List<URI> getClasspath()
//package com.java2s; /*//from w w w . j a va 2s . c om * 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.*; import com.google.common.base.*; import com.google.common.collect.*; public class Main { public static List<URI> getClasspath() { Function<URL, URI> func = new Function<URL, URI>() { @Override public URI apply(URL f) { try { return f.toURI(); } catch (URISyntaxException ex) { throw new RuntimeException(ex); } } }; return Lists.transform(Arrays.asList(getClassLoader().getURLs()), func); } public static URLClassLoader getClassLoader() { return (URLClassLoader) URLClassLoader.getSystemClassLoader(); } }