static void Main(string[] args)
{
// Console.WriteLine("Hello World!");
CCosPlayer c = new CCosPlayer();
BCosPlayerProxy b = new BCosPlayerProxy(c);
b.GiveWeChat();
b.GiveFlower();
b.WatchMovie();
b.HavingDinner();
}
public ACosPlayer(CCosPlayer c)
{
this.c = c;
}
