第一次提交

whyclxw

2024-08-28 ef91ae0edd198d91f9b476870d7e6fbdb27744c8

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package com.whyc.util;
 
public class CommonUtil {
 
    //将数转换成二进制字符串并统计1的个数
    public static int getIntToBinary(int switchState,int[] bit){
        int count=0;
        if(bit.length>0){
            for (int i=0;i<bit.length;i++){
                int ss=switchState&(1<<bit[i]);
                if(ss>0){
                    count++;
                }
            }
        }
        return count;
    }
 
    public static void main(String[] args) {
        //System.out.println(getIntToBinary(511,new int[]{0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24}));
        System.out.println(511&(1<<8));
    }
}