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){ this.age=age;//输入年龄 } public int getAge(){ if(age<=0){ return 0; }else if(age>=200){ return 200; }else{ return age;//返回年龄 } } }