Java tutorial
//package com.java2s; /* * This file is part of McIDAS-V * * Copyright 2007-2015 * Space Science and Engineering Center (SSEC) * University of Wisconsin - Madison * 1225 W. Dayton Street, Madison, WI 53706, USA * http://www.ssec.wisc.edu/mcidas * * All Rights Reserved * * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and * some McIDAS-V source code is based on IDV and VisAD source code. * * McIDAS-V is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * McIDAS-V 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 Public License for more details. * * You should have received a copy of the GNU Lesser Public License * along with this program. If not, see http://www.gnu.org/licenses. */ import java.util.Collection; import java.util.List; import java.util.concurrent.CopyOnWriteArrayList; public class Main { /** * Creates an empty {@link CopyOnWriteArrayList}. Keep in mind that you * only want to use {@code CopyOnWriteArrayList} for lists that are not * going to be modified very often! * * @return A new, empty {@code CopyOnWriteArrayList}. */ public static <E> List<E> concurrentList() { return new CopyOnWriteArrayList<>(); } /** * Creates a new {@link CopyOnWriteArrayList} that contains all of the * elements in {@code original}. Keep in mind that you only want to use * {@code CopyOnWriteArrayList} for lists that are not going to be * modified very often! * * @param original Collection to be copied into the new list. * * @return A new {@code CopyOnWriteArrayList} whose contents are the same * as {@code original}. */ public static <E> List<E> concurrentList(Collection<E> original) { return new CopyOnWriteArrayList<>(original); } /** * Creates a new {@link CopyOnWriteArrayList} from the incoming * {@literal "varargs"}. Keep in mind that you only want to use * {@code CopyOnWriteArrayList} for lists that are not going to be modified * very often! * * @param elems Elements that will be contained in the resulting list. * * @return A new {@code CopyOnWriteArrayList} that contains the incoming * objects. */ public static <E> List<E> concurrentList(E... elems) { return new CopyOnWriteArrayList<>(elems); } }