//super÷    
class Person{
     public int number;
     private String name;
     private int age;
     protected void setName(String name){
         this.name=name;
     }
     protected void setAge(int age){ 
         this.age=age;
     }
     protected void print(){
         System.out.println(""+name+"䣺"+age); 
     }
}
public class DemoSuper extends Person{
     public void print(){
         System.out.println("DemoSuper");
         super.print();
     }
     public static void main(String[] args){
         DemoSuper test=new DemoSuper();
         test.setName("");
         test.setAge(20);
         test.print();
     }
}
