Visual C#.NET 从入门到精通5-8

using System; namespace 接口成员隐藏 { public interface IDrivable { // void Start(); // void Stop(); // bool Started // { // get; // } void TurnLeft(); } public interface ISteerable : IDrivable { new void TurnLeft(); // void TurnRight(); } // public interface IMovable : IDrivable, ISteerable // { // void Accelerate(); // void Brake(); // } public class Car : ISteerable { // public string make; // public string model; // public string color; // public int yearBuilt; // private bool started = false; // public void Start() // { // Console.WriteLine("Car started"); // started = true; // } // public void Stop() // { // Console.WriteLine("Car stopped"); // started = false; // } // public bool Started // { // get // { // // TODO: 添加 Car.Started getter 实现 // return started; // } // } void ISteerable.TurnLeft() { Console.WriteLine("ISteerable implementationof TurnLeft()"); } public void TurnLeft() { Console.WriteLine("IDrivable implementationof TurnLeft()"); } // public void TurnRight() // { // Console.WriteLine("car turning right"); // } // // public void Accelerate() // { // Console.WriteLine("car accelerating"); // } // public void Brake() // { // Console.WriteLine("car braking"); // } } class Example8_8 { public static void Main() { Car myCar; // Console.WriteLine("Creating a Car object and assigning " + "its memory location to myCar"); myCar = new Car(); // myCar.make = "Toyota"; // myCar.model = "MR2"; // myCar.color = "black"; // myCar.yearBuilt = 1995; // Console.WriteLine("myCar details:"); // Console.WriteLine("myCar.make = " + myCar.make); // Console.WriteLine("myCar.model = " + myCar.model); // Console.WriteLine("myCar.color = " + myCar.color); // Console.WriteLine("myCar.yearBuilt = " + myCar.yearBuilt); // Console.WriteLine("Calling myCar.Start()"); // myCar.Start(); Console.WriteLine("Calling myCar.TurnLeft()"); myCar.TurnLeft(); ISteerable mySteerable = myCar as ISteerable; Console.WriteLine("Calling mySteerable.TurnLeft()"); mySteerable.TurnLeft(); IDrivable myDrivable = myCar as IDrivable; Console.WriteLine("Calling myDrivable.TurnLeft()"); myDrivable.TurnLeft(); // Console.WriteLine("Callng myCar.Accelerate()"); // myCar.Accelerate(); // Car redPorsche = new Car(); // Console.WriteLine("Creating another Car object and " + "assigning its memory location to redPorsche"); // redPorsche.make = "Porsche"; // redPorsche.model = "Boxster"; // redPorsche.color = "red"; // redPorsche.yearBuilt = 2000; // Console.WriteLine("redPorsche is a " + redPorsche.model); // Console.WriteLine("Assigning redPorsche to myCar"); // myCar = redPorsche; // Console.WriteLine("myCar details:"); // Console.WriteLine("myCar.make = " + myCar.make); // Console.WriteLine("myCar.model = " + myCar.model); // Console.WriteLine("myCar.color = " + myCar.color); // Console.WriteLine("myCar.yearBuilt = " + myCar.yearBuilt); Console.ReadLine(); } } }