[Java] 배열의 평균값 (Lv.0)

* 배열의 평균값 (Lv.0)

class Solution {
    public double solution(int[] numbers) {
        double answer = 0;
        int sum = 0;

        for(int i = 0; i < numbers.length; i++){
            sum += numbers[i];
        }

        answer = (double)sum/numbers.length;

        return answer;
    }
}