Here you can find the source of getJVMClassPath(boolean includeBootClassPath)
public static String getJVMClassPath(boolean includeBootClassPath)
//package com.java2s; /**//from ww w. j av a2 s . c o m * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ import java.io.File; public class Main { public static String getJVMClassPath(boolean includeBootClassPath) { String jvmClassPath = System.getProperty("java.class.path"); if (includeBootClassPath) { String bootClassPath = System.getProperty("sun.boot.class.path"); jvmClassPath = jvmClassPath.concat(File.pathSeparator).concat(bootClassPath); } return jvmClassPath; } }