Java Array Merge merge(T[] first, T[] second)

Description

Merges two Arrays into one common array.

License

Open Source License

Parameter

Parameter	Description
T	type of the array
first	the first array
second	the second array

Return

the merged array (first, second)

Declaration

public static <T> T[] merge(T[] first, T[] second) 

Method Source Code

//package com.java2s;
/*/*from  www .  jav a 2  s.c o  m*/
 * Copyright 2012 PRODYNA AG
 *
 * Licensed under the Eclipse Public License (EPL), Version 1.0 (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.opensource.org/licenses/eclipse-1.0.php or
 * http://www.nabucco.org/License.html
 *
 * 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.Arrays;

public class Main {
    /**
     * Merges two Arrays into one common array.
     * 
     * @param <T>
     *            type of the array
     * @param first
     *            the first array
     * @param second
     *            the second array
     * 
     * @return the merged array (first, second)
     */
    public static <T> T[] merge(T[] first, T[] second) {
        if (first == null) {
            return second;
        }
        if (second == null) {
            return first;
        }

        T[] result = Arrays.copyOf(first, first.length + second.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }
}

Related

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2. merge(String[]... arrays)
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4. merge(T[] array1, T[] array2)
5. merge(T[] first, T[] second)
6. merge(T[] left, T... right)
7. merge(T[]... arrays)
8. merge(T[]... many)
9. merge2TablesWithoutDup(String[] t1, String[] t2)