namespace ConsoleApplication1
{abstract class Implementor{public abstract void Operation();}class ConcreteImplementorA : Implementor{public override void Operation(){Console.WriteLine("具体实现A的方法执行");}}class ConcreteImplementorB : Implementor{public override void Operation(){Console.WriteLine("具体实现B的方法执行");}}class Abstraction{protected Implementor implementor;public void SetImplementor(Implementor implementor){this.implementor = implementor;}public virtual void Operation(){implementor.Operation();}}class RefinedAbstraction : Abstraction {public override void Operation(){implementor.Operation();}}class Program{static void Main(string[] args){Abstraction ab = new RefinedAbstraction();ab.SetImplementor(new ConcreteImplementorA());ab.Operation();ab.SetImplementor(new ConcreteImplementorB());ab.Operation();Console.ReadKey();}}
}

namespace ConsoleApplication1
{//手机软件抽象类abstract class HandsetSoft{public abstract void Run();}//手机游戏class HandsetGame : HandsetSoft {public override void Run(){Console.WriteLine("运行手机游戏");}}//手机通讯录class HandsetAddressList : HandsetSoft{public override void Run(){Console.WriteLine("运行和搜集通讯录");}}//手机品牌抽象类abstract class HandsetBrand{protected HandsetSoft soft;//设置手机软件public void SetHandsetSoft(HandsetSoft soft)    //品牌需要关注软件，所以可在机器中安装软件(设置手机软件)，以备运行
        {this.soft = soft;}//运行public abstract void Run();}//手机品牌Nclass HandsetBrandN : HandsetBrand{public override void Run(){soft.Run();}}//手机品牌Mclass HandsetBrandM : HandsetBrand{public override void Run(){soft.Run();}}class Program{static void Main(string[] args){HandsetBrand ab;ab = new HandsetBrandN();ab.SetHandsetSoft(new HandsetGame());ab.Run();ab.SetHandsetSoft(new HandsetAddressList());ab.Run();ab = new HandsetBrandM();ab.SetHandsetSoft(new HandsetGame());ab.Run();ab.SetHandsetSoft(new HandsetAddressList());ab.Run();Console.ReadKey();}}
}