Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.lang.reflect.Array;

public class Main {
    /**
     * Concatenates two arrays
     * 
     * @param existingArray
     *            an existing array
     * @param elements
     *            the elements to add to the end of it
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <E> E[] array(final E[] existingArray, final E... elements) {
        if (existingArray == null) {
            return elements;
        }
        Object result = Array.newInstance(existingArray.getClass().getComponentType(),
                existingArray.length + elements.length);
        System.arraycopy(existingArray, 0, result, 0, existingArray.length);
        System.arraycopy(elements, 0, result, existingArray.length, elements.length);
        return (E[]) result;
    }
}