프로그래머스 - 최댓값 만들기(1)

https://school.programmers.co.kr/learn/courses/30/lessons/120847

import java.util.Arrays;

class Solution {
    public int solution(int[] numbers) {
        Arrays.sort(numbers); 
        int answer = numbers[numbers.length-2] * numbers[numbers.length-1];
        return answer;
    }
}