public void ParkManuallyMenu() { bool returnToLastMenu = false; char nav = ' '; do { Console.WriteLine("\nPlease choose a Vehicle to Park by entering the number \n(1, 2, 3 , 4, 5, 6, 7 or Q) of your choice" + "\n1. Park a Car." + "\n2. Park a Motorcycle." + "\n3. Park a Trike." + "\n4. Park a Bus." + "\n5. Park a Boat." + "\n6. Park a Airplane." + "\n7. List ALL Vehicles parked in the Garage." + "\n\nQ. Exit this menu.\n"); Console.Write("Input > "); string input = Console.ReadLine(); try { nav = input[0]; } catch (IndexOutOfRangeException) { Console.Clear(); Console.WriteLine("\nPlease enter some input!"); } string brand, model, regNo, color, fuelType; int noOfHorsePowers, noOfWheels, fuelCapacity, cylinderVolume; int weight, noOfSeats, length, noOfEngines; input = garageHandler.GetVehicleCommonProperties(input, out brand, out model, out regNo, out color, out noOfWheels, out fuelType, out fuelCapacity); switch (nav) { case '1': noOfHorsePowers = Util.AskForInt("Enter no of HorsePowers (eg 150):"); garageHandler.AddVehicleToParkingPlace(new Car(noOfHorsePowers, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '2': cylinderVolume = Util.AskForInt("Enter Cylinder volume (eg 1200):"); garageHandler.AddVehicleToParkingPlace(new Motorcycle(cylinderVolume, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '3': weight = Util.AskForInt("Enter the Trikes weight (eg 325):"); garageHandler.AddVehicleToParkingPlace(new Trike(weight, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '4': noOfSeats = Util.AskForInt("Enter no of Bus seats (eg 50):"); garageHandler.AddVehicleToParkingPlace(new Bus(noOfSeats, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '5': length = Util.AskForInt("Enter Boat length in m (eg 10):"); garageHandler.AddVehicleToParkingPlace(new Boat(length, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '6': noOfEngines = Util.AskForInt("Enter no of Engines (eg 2):"); garageHandler.AddVehicleToParkingPlace(new Airplane(noOfEngines, brand, model, regNo, color, noOfWheels, fuelType, fuelCapacity)); break; case '7': garageHandler.ListAllParkedVehicles(); break; case 'Q': // Exit Menu. case 'q': returnToLastMenu = true; break; default: break; } } while (!returnToLastMenu); }