import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
class Solution {
public int[] solution(String my_string) {
List<Integer> list = new ArrayList<>();
for (int i = 0; i < my_string.length(); i++) {
char ch = my_string.charAt(i);
if (Character.isDigit(ch)) {
list.add(Character.getNumericValue(ch));
}
}
int[] answer = new int[list.size()]; // 배열 초기화
for (int i = 0; i < list.size(); i++) {
answer[i] = list.get(i); // 리스트를 배열로 변환
}
Arrays.sort(answer);
return answer;
}
}