循环右移

//package com.nowjava;

/*
来 自*
 时代Java - N o w  J a v a . c o m
*/

public class Main {

    public static void main(String[] argv) throws Exception {

        byte b = 2;

        int count = 2;

        System.out.println(circularBitShiftRight(b, count));

    }


    public static byte circularBitShiftRight(byte b, int count) {

        if (count < 0)

            count = count * -1;


        if (count > 7)

            count = count % 8;/** from 时   代    Java - nowjava.com**/


        if (count == 0)

            return b;


        if (b >= 0)

            return (byte) ((b >>> count) | (b << Byte.SIZE - count));