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Mar 24, 2022

Java 풀이

1번

import java.util.*;

public class Solution {
    public int solution(int n) {
        int answer = 0;
        while( n > 0 ){
            answer += n % 10;
            n = n / 10;
        }
        return answer;
    }
}

2번

import java.util.*;

public class Solution {
    public int solution(int n) {
        int answer = 0;
        String s = String.valueOf(n);    
        for(char c : s.toCharArray()){
            int num = c - '0';
            answer += num;
        }
        return answer;
    }
}