题解 | #判断学生成绩#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int score = scanner.nextInt();

            if (score > 100 || score < 0) {
                new ScoreException(); // 抛出自定义异常
            } else {
                System.out.println(score);
            }
  
    }
}

class ScoreException extends Exception {
    // 构造函数，设置异常消息
    public ScoreException() {
        System.out.println("分数不合法");
    }
}