Android Int Bit Shift swapBytes(int value)

Description

swap Bytes

Declaration

public static int swapBytes(int value) 

Method Source Code

//package com.java2s;

public class Main {
    public static short swapBytes(short value) {
        int b1 = value & 0xff;
        int b2 = (value >> 8) & 0xff;

        return (short) (b1 << 8 | b2 << 0);
    }//www  .  ja va 2s.  c o  m

    public static int swapBytes(int value) {
        int b1 = (value >> 0) & 0xff;
        int b2 = (value >> 8) & 0xff;
        int b3 = (value >> 16) & 0xff;
        int b4 = (value >> 24) & 0xff;

        return b1 << 24 | b2 << 16 | b3 << 8 | b4 << 0;
    }

    public static long swapBytes(long value) {
        long b1 = (value >> 0) & 0xff;
        long b2 = (value >> 8) & 0xff;
        long b3 = (value >> 16) & 0xff;
        long b4 = (value >> 24) & 0xff;
        long b5 = (value >> 32) & 0xff;
        long b6 = (value >> 40) & 0xff;
        long b7 = (value >> 48) & 0xff;
        long b8 = (value >> 56) & 0xff;

        return b1 << 56 | b2 << 48 | b3 << 40 | b4 << 32 | b5 << 24
                | b6 << 16 | b7 << 8 | b8 << 0;
    }
}

Related

1. nextPowerOf2(int n)
2. toByta(int data)
3. flip16(int num)
4. swap(int x)