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;

//write your code here......
public void setAge( int age ){//输入函数设定为无返回值
    this.age = age;//this指向此Person类中的age值，age为输入的年龄值
}

public int getAge(){//输出函数设定为int值
    if(this.age < 0) age = 0;
    else if(this.age > 200) age = 200;
    return age;
}

}