Java中for循环求平均值

Question

Answer 1

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        float sum = 0;
        for (int i = 0; i < 5; i++) {
            System.out.print("请输入周"+(i+1)+"周的学习时间：");
            sum += in.nextInt();
        }
        System.out.println("周一至周五每日平均学习时间是:"+sum/5+"小时");
    }