题解 | #验证年龄#

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Person p = new Person();
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int age = scanner.nextInt();
            p.setAge(age);
            System.out.println(p.getAge());
        }
    }

}

class Person {

    private int age;
    public void setAge(int age){
        this.age = age;
    }
    public int getAge(){
        int age = this.age;
        if (age < 0){
            age = 0;
        }
        if (age > 200){
            age = 200;
        }
        return age;
    }

}