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 x){
        this.age = x ;
    }
    
    public int getAge(){
        return  (age<0)? 0 : (age<200)? age : 200 ;

    }
}