문자열 정렬하기 (1)

import java.util.*; class Solution { public int[] solution(String my_string) { my_string = my_string.replaceAll("[a-z]", ""); int[] answer = new int[my_string.length()]; for (int i = 0; i < answer.length; i++) { answer[i] = Integer.parseInt(String.valueOf(my_string.charAt(i))); } Arrays.sort(answer); return answer; } }