자료구조 | 2-3. 자연수 뒤집어 배열로 만들기

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

class Solution {
     public List<Integer> solution(long n) {
                  String result = String.valueOf(n);
                  String[] result_arr = result.split("");
                  
                  List<String> result_list;
                  result_list = Arrays.asList(result_arr);
                  Collections.reverse(result_list);
      
                  List<Integer> result_int_list = new ArrayList<>();
                  for (String value : result_list) {
                        result_int_list.add(Integer.valueOf(value));
                  }
                  
                  return  result_int_list;
            }
}