문제

내 코드

class Solution {
    public String solution(String my_string, int[] index_list) {
        String answer = "";
        for(int i = 0; i<index_list.length; i++){
            answer+=my_string.charAt(index_list[i]);
        }
        return answer;
    }
}

class Solution {
    public String solution(String my_string, int[] index_list) {
        String answer = "";
        for(int idx : index_list){
            answer += my_string.charAt(idx);
        }
        return answer;
    }
}