2362N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 0N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * This file is available under and governed by the GNU General Public 0N/A * License version 2 only, as published by the Free Software Foundation. 0N/A * However, the following notice accompanied the original version of this 0N/A * Written by Doug Lea with assistance from members of JCP JSR-166 0N/A * Expert Group and released to the public domain, as explained at 0N/A * A task that returns a result and may throw an exception. 0N/A * Implementors define a single method with no arguments called 0N/A * <p>The <tt>Callable</tt> interface is similar to {@link 0N/A * java.lang.Runnable}, in that both are designed for classes whose 0N/A * instances are potentially executed by another thread. A 0N/A * <tt>Runnable</tt>, however, does not return a result and cannot 0N/A * throw a checked exception. 0N/A * <p> The {@link Executors} class contains utility methods to 0N/A * convert from other common forms to <tt>Callable</tt> classes. 0N/A * @param <V> the result type of method <tt>call</tt> * Computes a result, or throws an exception if unable to do so. * @return computed result * @throws Exception if unable to compute a result