Here you can find the source of exec(Callable
public static <T> Future<T> exec(Callable<T> callable)
//package com.java2s; /******************************************************************************* * Copyright (C) 2011 by Harry Blauberg//from ww w .j a v a2 s. c om * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ import java.util.concurrent.Callable; import java.util.concurrent.Executors; import java.util.concurrent.Future; public class Main { public static <T> Future<T> exec(Callable<T> callable) { return Executors.newCachedThreadPool().submit(callable); } }