Merge collections a and b into target. - Java java.util

Java examples for java.util:Collection Operation

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Description

Merge collections a and b into target.

Demo Code

/**/*w  w  w. j a v a 2s .  c  o  m*/
 *  Copyright 2009, 2010 The Regents of the University of California
 *  Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.
 *
 */
//package com.java2s;

import java.util.Collection;

public class Main {
    /**
     * Merge collections <code>a</code> and <code>b</code> into <code>target</code>.
     */
    public static <A, CC extends Collection<A>> CC merge(CC target,
            Collection<? extends A> a, Collection<? extends A> b) {
        target.addAll(a);
        target.addAll(b);
        return target;
    }
}

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