Java Byte Array Combine combine(byte[] a, byte[] b)

Description

combine

License

Apache License

Declaration

public static byte[] combine(byte[] a, byte[] b) 

Method Source Code

//package com.java2s;
/*//ww w  .  jav a2s.  com
 *  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.
 *
 */

public class Main {

    public static byte[] combine(byte[] a, byte[] b) {
        if (null == a && null == b) {
            return null;
        }
        if (null == a && null != b) {
            return b;
        }
        if (null != a && null == b) {
            return a;
        }
        final byte[] bytes = new byte[a.length + b.length];
        System.arraycopy(a, 0, bytes, 0, a.length);
        System.arraycopy(b, 0, bytes, a.length, b.length);
        return bytes;
    }
}

Related

1. combine(byte[] arr1, byte[] arr2)
2. combine(byte[] first, byte[] second)
3. combine(byte[] one, byte[] two, byte[] three, byte[] four)
4. combine(byte[] one, byte[] two, byte[] three, byte[] four)