programmers_다음 큰 숫자_java

https://school.programmers.co.kr/learn/courses/30/lessons/12911

프로그래머스

class Solution {
    public int solution(int n) {
        int answer = n+1;
        
        int cntOne = Integer.bitCount(n);
        
        while(true){
            if(Integer.bitCount(answer) == cntOne){
                break;
            }
            answer++;
        }
        
        return answer;
    }
    
}