static void Main(string[] args) { int speed = 20; Console.WriteLine(); Console.WriteLine("Encapsulation"); ModelX modelx = new ModelX() { Year = 2019, Make = "Tesla", Model = "Model X", NumberOfWheels = 4, IsSuv = true, IsElectric = true }; Console.WriteLine($"{modelx.IsSuv}, ModelX class is instantiated"); Console.WriteLine(); Console.WriteLine("Inheritance"); modelx.Accelerate(speed); Console.WriteLine(); Console.WriteLine("Abstraction"); modelx.OpenFalconWingDoors(); Console.WriteLine(); Console.WriteLine("Polymorphism"); modelx.RegistrationFees(); Console.WriteLine(); Console.WriteLine("Garage"); Garage garage = new Garage(2, 0); garage.AddCar(modelx); garage.AddCar(modelx); garage.AddCar(modelx); }