[Programmers] Lv.0 | 배열의 평균값 | Java

문제

https://school.programmers.co.kr/learn/courses/30/lessons/120817

 

풀이

import java.util.*;

class Solution {
    public double solution(int[] numbers) {
        return Arrays.stream(numbers).average().orElse(0);
    }
}

class Solution {
    public double solution(int[] numbers) {
        double sum = 0;
        for (int n : numbers) {
            sum += n;
        }
        return sum / numbers.length;
    }
}