[Programmers] Lv1: 자릿수 더하기(12931)

문제

- 링크: https://school.programmers.co.kr/learn/courses/30/lessons/12931

 

풀이

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