public class Fields {
  public static void main(String[] args) {

    Student s = new Student();
    s.name = "Borgir";
    System.out.println(s);    
    Person p = new Student();
    p.name = "Dimmu";
    System.out.println(p);
  }
}

class Person {
  public String name;
}
class Student extends Person {

  public String toString() { return "Student: "+name; }
}