updated file

src/Visitenkarte.java

         this.phoneNumber = phoneNumber;
     }
 
-    public static void printVisitenkarte(Visitenkarte a){
+    public  void printVisitenkarte(){
         System.out.println("-----------------------------------");
-        System.out.println(a.name + ", " + a.firstName);
-        System.out.println(a.job + ", " + a.age);
-        System.out.println(a.address);
-        System.out.println(a.phoneNumber);
+        System.out.println(name + ", " + firstName);
+        System.out.println(job + ", " + age);
+        System.out.println(address);
+        System.out.println(phoneNumber);
         System.out.println("-----------------------------------");
     }
 
+    public String toString(){
+        String contact = "-----------------------------------\n" +
+                name + ", " + firstName + "\n" +
+                job + ", " + age + "\n" +
+                address + "\n" +
+                phoneNumber + "\n" +
+                "-----------------------------------";
+        return contact;
+    }
+
+
     public static void main(String[] args) {
         Visitenkarte tabea = new Visitenkarte("Strauss", "Tabea", "student", "27", "Untere Baustr. NBG", "017712345");
-        printVisitenkarte(tabea);
+        tabea.printVisitenkarte();
+        System.out.print(tabea.toString());
+        System.out.println("Did it work?");
     }