Here you can find the source of getPool()
public static ExecutorService getPool()
//package com.java2s; /*//from w ww .jav a2 s. com * Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved. * * This program and the accompanying materials are dual-licensed under * either the terms of the Eclipse Public License v1.0 as published by * the Eclipse Foundation * * or (per the licensee's choosing) * * under the terms of the GNU Lesser General Public License version 3.0 * as published by the Free Software Foundation. */ import java.util.concurrent.ExecutorService; import java.util.concurrent.ForkJoinTask; public class Main { public static ExecutorService getPool() { return ForkJoinTask.getPool(); } }