[JAVA] 가장 큰 수 찾기

import java.util.*;

class Solution {
    public int[] solution(int[] array) {
        int[] answer = new int [2];
        int[] sortArray = array.clone();
        
        Arrays.sort(sortArray);
        
        answer[0] = sortArray[array.length-1];
        Integer[] arrayWrapper = Arrays.stream(array).boxed().toArray(Integer[]::new);
        
        answer[1] = Arrays.asList(arrayWrapper).indexOf(answer[0]);
        
        return answer;
    }
}