Java Array Concatenate concat(T[] first, T[] second)

Description

This method concatenates two arrays and returns a new array with the result

License

Apache License

Parameter

Parameter	Description
first	a parameter
second	a parameter

Declaration

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

Method Source Code

//package com.java2s;
/* Copyright 2014 Lyncos Technologies S. L.
 *
 * 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
 * /*from  w  w w .j  a  v  a  2s.co m*/
 *     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.Arrays;

public class Main {
    /**
     * This method concatenates two arrays and returns a new array with the result
     * @param first
     * @param second
     * @return
     */
    public static <T> T[] concat(T[] first, T[] second) {
        T[] result = Arrays.copyOf(first, first.length + second.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }

    /**
     * This method concatenates two arrays and returns a new array with the result
     * @param first
     * @param second
     * @return
     */
    public static byte[] concat(byte[] first, byte[] second) {
        byte[] result = Arrays.copyOf(first, first.length + second.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }
}

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