Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) 2013 Game Salutes.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v3
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Game Salutes - Repackaging and modifications of original work under University of Chicago and Apache License 2.0 shown below
 * 
 * Repackaging from edu.uchicago.nsit.iteco.utils to com.gamesalutes.utils
 * 
 * Copyright 2008 - 2011 University of Chicago
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

import java.util.*;

public class Main {
    /**
     * Returns a hashcode that is computed irrespective of the order of the collection.  This method should be used
     * to compute a hashcode of a collection field when <code>unorderedListEquals</code> or
     * <code>unorderedCollectionEquals</code> is used for that field in the object's equals method. 
     * 
     * @param c the <code>Collection</code>
     * @return the hashcode
     */
    public static int unorderedCollectionHashCode(Collection<?> c) {
        if (c == null)
            return 0;

        int h = 0;
        Iterator<?> i = c.iterator();
        while (i.hasNext()) {
            Object o = i.next();
            if (o != null)
                h += o.hashCode();
        }
        return h;
    }
}