Swaps the 2 bytes (changes endianness) of the byte array at the given offset. - Java Internationalization

Java examples for Internationalization:Big Endian Little Endian

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Description

Swaps the 2 bytes (changes endianness) of the byte array at the given offset.

Demo Code

/*//from  www .j  a  v  a2  s . c  o m
Copyright (c) 2005 Health Market Science, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA

You can contact Health Market Science at info@healthmarketscience.com
or at the following address:

Health Market Science
2700 Horizon Drive
Suite 200
King of Prussia, PA 19406
 */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte[] bytes = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        int offset = 2;
        swap2Bytes(bytes, offset);
    }

    /**
     * Swaps the 2 bytes (changes endianness) of the bytes at the given offset.
     *
     * @param bytes buffer containing bytes to swap
     * @param offset offset of the first byte of the bytes to swap
     */
    public static void swap2Bytes(byte[] bytes, int offset) {
        byte b = bytes[offset + 0];
        bytes[offset + 0] = bytes[offset + 1];
        bytes[offset + 1] = b;
    }
}

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