class Person{
  private int age;
  private String name;
  
  public void setAge(int age){
    this.age = age;
  }
  public void setName(String name){
    this.name = name;
  }
  public int getAge(){
    return age;
  }
  public String getName(){
    return name;
  }
  
  public String getInfo(){
    return "Name is:"+name+",Age is "+age;
  }
}
class Student extends Person{
  private String school;
  
  public void setSchool(String school){
    this.school = school;
  }
  public String getSchool(){
    return school;
  }
  public String getInfo(){
    return "Name is:"+getName()+",Age is "+getAge()+",School is:"+school;
  }
}
public class TestOverRide{
  public static void main (String args[]){
    Student student = new Student();
    Person person = new Person();
    person.setAge(1000);
    person.setName("lili");
    
    student.setAge(23);
    student.setName("vic");
    student.setSchool("shnu");
    
    System.out.println(person.getInfo());
    System.out.println(student.getInfo());
  }
}