public class Visitenkarte { String name = "Kowalik"; String vorname = "Tomasz"; String beruf = "Student"; String adresse = "Luisenstraße 14, 90762 Fürth"; int alter = 27; String telefonnummer = "01717075360"; public String toString() { String s = name + ", " + vorname + "\n" + beruf + "," + alter + "\n" + telefonnummer; return s; } }