package ch07;

import java.util.InputMismatchException;
import java.util.Scanner;

public class ComputeAvg {
    public static void main(String[] args) {
        int score, num;
        double avg;
        Scanner in = new Scanner(System.in);
        try {
            System.out.println("请输入总分：");
            score = in.nextInt();
            System.out.println("请输入人数：");
            num = in.nextInt();
            avg = score / num;
            System.out.println("平均成绩为：" + avg);
        } catch (InputMismatchException e1) {
            System.out.println("输入不是数字！");
        } catch (ArithmeticException e2) {
            System.out.println("人数不能为0");
        } catch (Exception e3) {
            System.out.println("其他异常：");
        }
    }
}