using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandAddressList:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机通讯录");
    }
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandBrandM:HandSetBrand
  {
    public override void Run()
    {
      soft.Run();
    }
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandBrandN:HandSetBrand
  {
    public override void Run()
    {
      soft.Run();
    }
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
 public abstract class HandSetBrand
  {
    protected HandSetSoft soft;
    public void SetHandSetSoft(HandSetSoft soft) 
    {
      this.soft = soft;
    }
    public abstract void Run();
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandSetGame:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机游戏");
    }
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandSetMP3:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机MP3");
    }
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
 public abstract class HandSetSoft
  {
    public abstract void Run();
  }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      HandSetBrand ab;
      ab = new HandBrandN();
      ab.SetHandSetSoft(new HandSetGame());
      ab.Run();
      ab.SetHandSetSoft(new HandAddressList());
      ab.Run();
      ab = new HandBrandM();
      ab.SetHandSetSoft(new HandSetGame());
      ab.Run();
      ab.SetHandSetSoft(new HandAddressList());
      ab.Run();
      ab.SetHandSetSoft(new HandSetMP3());
      ab.Run();
      Console.ReadKey();
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandAddressList:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机通讯录");
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandBrandM:HandSetBrand
  {
    public override void Run()
    {
      soft.Run();
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandBrandN:HandSetBrand
  {
    public override void Run()
    {
      soft.Run();
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
 public abstract class HandSetBrand
  {
    protected HandSetSoft soft;
    public void SetHandSetSoft(HandSetSoft soft) 
    {
      this.soft = soft;
    }
    public abstract void Run();
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandSetGame:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机游戏");
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  public class HandSetMP3:HandSetSoft
  {
    public override void Run()
    {
      Console.WriteLine("运行手机MP3");
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
 public abstract class HandSetSoft
  {
    public abstract void Run();
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      HandSetBrand ab;
      ab = new HandBrandN();
      ab.SetHandSetSoft(new HandSetGame());
      ab.Run();
      ab.SetHandSetSoft(new HandAddressList());
      ab.Run();
      ab = new HandBrandM();
      ab.SetHandSetSoft(new HandSetGame());
      ab.Run();
      ab.SetHandSetSoft(new HandAddressList());
      ab.Run();
      ab.SetHandSetSoft(new HandSetMP3());
      ab.Run();
      Console.ReadKey();
    }
  }
}