public class PersStud {
  public static void main (String[] args) {
    Person georg, willi, anna, barbara;

    anna = new Person ("Schmidt", "Anna");  
    barbara = new Student ("Paulus", "Barbara", "TU Wien");
    georg = new Student ("Fischer", "Georg", "BOKU");
    willi = new Person ("Schlosser", "Wilhelm");

    System.out.println();
    System.out.println("Vornamen:");
    System.out.println( anna.getVorname() );
    System.out.println( barbara.getVorname() );
    System.out.println( georg.getVorname() );
    System.out.println( willi.getVorname() );
    System.out.println();
    System.out.println("Komplette Informationen:");
    System.out.println( anna );
    System.out.println( barbara );
    System.out.println( georg );
    System.out.println( willi );
    System.out.println();
    }
}