random_destinations method for car and bike splitted

src/main/java/de/hs_mannheim/domain/System.java

@@ -72,7 +72,11 @@ public class System {
         return new ArrayList<>(zip_set);
     }
 
-    public ArrayList<String> random_destinations(){
+    public ArrayList<String> random_destinations_car(){
+        return new ArrayList<String>();
+    }
+
+    public ArrayList<String> random_destinations_bike(){
         return new ArrayList<String>();
     }
 

src/main/java/de/hs_mannheim/facade/Application.java

@@ -33,7 +33,11 @@ public class Application {
         return new ArrayList<String>();
     }
 
-    public ArrayList<String> random_destinations(){
+    public ArrayList<String> random_destinations_car(){
+        return new ArrayList<String>();
+    }
+
+    public ArrayList<String> random_destinations_bike(){
         return new ArrayList<String>();
     }