public class TestPerson {
public static void main(String[] args) {
Person a = new Person();
a.setAge(100);
System.out.println(a.getAge());
}
}
class Person{
private int age;
public void setAge(int i){
Scanner s = new Scanner(System.in);
i = s.nextInt();
if(i>0 & i<130)
age = i;
else
System.out.println("你的输入的是妖怪");