Java Array Swap swap2Bytes(byte[] bytes, int offset)

Here you can find the source of swap2Bytes(byte[] bytes, int offset)

Description

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

License

Open Source License

Parameter

Parameter Description
bytes buffer containing bytes to swap
offset offset of the first byte of the bytes to swap

Declaration

public static void swap2Bytes(byte[] bytes, int offset) 

Method Source Code

//package com.java2s;
/*//from  ww  w . j a  v  a  2s  .co 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
*/

public class Main {
    /**
     * 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) {
        swapBytesAt(bytes, offset + 0, offset + 1);
    }

    /**
     * Swaps the bytes at the given positions.
     */
    private static void swapBytesAt(byte[] bytes, int p1, int p2) {
        byte b = bytes[p1];
        bytes[p1] = bytes[p2];
        bytes[p2] = b;
    }
}

Related

  1. swap(T[] array, int indexOne, int indexTwo)
  2. swap(T[] data, int a, int b)
  3. swap(T[] elements, int i, int j)
  4. swap(T[] ts, int i, int j)
  5. swap2(double v[], int v2[], int i, int j)
  6. swap3(String[] a, int x, int y, int z)
  7. swapAll(final Object[] array)
  8. swapAndPrint(int[] arr, int m, int n)
  9. swapArray(int[] v, int i, int j)