题解 | #懂二进制#

import java.util.*;
public class Solution {

    public int countBitDiff (int m, int n) {
        //将两数的异或值转换为二进制存入字符串
        String x = Integer.toBinaryString(m^n);
        //计算1的个数
        int count = 0;
        
        for(int i=0;i<x.length();i++){
            if(x.charAt(i)=='1'){
                count++;
            }
        }
        return count;
    }
}