shiyan13_2.cpp

学习c++的一些实例程序

//-----继承中的函数多态性-----//
#include<iostream.h>
class BaseFly
{
public:
	void Fly(){cout<<"\n----Class BaseFly::Fly()----\n";}
};

class BirdFly:public BaseFly
{
public:
	void Fly(){cout<<"\n----Class BirdFly::()----\n";}
};

class DragonFly:public BaseFly
{
public:
	void Fly(){cout<<"\n----Class DragonFly::()----\n";}
};

class PlaneFly:public BaseFly
{
public:
	void Fly(){cout<<"\n----Class PlaneFly::()----\n";}
};

 int main()
{
	cout<<"\n 测试继承中的多态性(Virtual):\n";
	BaseFly *pBase= new BaseFly;
	cout<<"\n BaseFly->\n";
	pBase->Fly();
	BirdFly *pBird=new BirdFly();
	cout<<"\nBirdFly->\n";
	DragonFly *pDragon=new DragonFly();
	cout<<"\nDragonFly->\n";
	PlaneFly *pPlane=new PlaneFly();
	cout<<"\nPlaneFly->\n";
	pBase->Fly();
	return 0;
}