[프로그래머스/Java] 배열의 원소 삭제하기

-Code

import java.util.*;
import java.util.stream.Collectors;

class Solution {
    public int[] solution(int[] arr, int[] delete_list) {
        List<Integer> answer = Arrays.stream(arr).boxed().collect(Collectors.toList());
        for (int n : delete_list) answer.remove((Integer) n);
        
        return answer.stream().mapToInt(Integer::intValue).toArray();
    }
}