Set Two way diff. - Android java.util

Android examples for java.util:Set

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Description

Set Two way diff.

Demo Code

/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * 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
 *******************************************************************************/
//package com.book2s;

import java.util.HashSet;
import java.util.Set;

public class Main {
    /**//from   ww w. ja  va 2  s .  com
     * Two way diff.
     *
     * @param <T> the generic type
     * @param set1 the set1
     * @param set2 the set2
     * @return Uses the diff paradigm. Non destructive set1-set2+set2-set1
     */
    public static <T> Set<T> twoWayDiff(Set<T> set1, Set<T> set2) {
        Set<T> tempSet1 = new HashSet<T>(set1);
        tempSet1.removeAll(set2);
        Set<T> tempSet2 = new HashSet<T>(set2);
        tempSet2.removeAll(set1);
        tempSet1.addAll(tempSet2);
        return tempSet1;
    }
}

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