Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
 * 
 * The contents of this file are subject to the terms of the GNU General Public License Version 3
 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each file.
 */

import java.util.HashSet;

import java.util.Set;

public class Main {
    /**
     * Returns a {@link Set} containing the union of the given {@link Set}s.
     * 
     * @param <T> type of items.
     * @param a the first set, must not be <code>null</code>
     * @param b the second set, must not be <code>null</code>
     * @return the union of the two.
     */
    public static <T> Set<T> union(final Set<? extends T> a, final Set<? extends T> b) {
        final Set<T> res = new HashSet<T>(a);
        if (a != b)
            res.addAll(b);
        return res;
    }
}