题解 | 验证年龄

import java.util.Scanner;

public class Main 
{

    public static void main(String[] args)
     {
      Scanner input=new Scanner(System.in);
      int box=input.nextInt();
      Person person=new Person();
     
      System.out.print( person.change(box));
    }

}

class Person
 {
    private int age;
    public Person()
    {

    }
    public int change(int num)
    {
        if(num<0)
        return age=0;
        else if(num>200)
        return age=200;
        else
        return age=num;
    }
    

}