class Student {
  String name;
  int matrikel;
  Professor mentor;

  public void drucke(){
    System.out.print("Der Name des Studenten ist: "+name);
    System.out.print("Seine Matrikelnummer ist: "+matrikel);
    System.out.print("Sein Mentor ist: "+mentor);
  }



  public static void main(String [] args) {
    Student s1 = new Student();
    s1.name = "Caesar Albrecht";
    s1.matrikel = 100000;

    Student a2 = new Student();
    a2.name = "Caesar Albrecht";
    a2.matrikel = 100000;

    Professor p1 = new Professor();
    p1.name = "Bodo Igler";

    Professor r2 = new Professor();
    r2.name = "Bodo Igler";

    System.out.println("s:");
    s.begruesse();
    s.drucke();
  }
}