试题9-4-3.txt

为初学者提供的最佳的C++程序设计源程序库

#include<iostream.h>
class base1
{
public:
	virtual void fun(){cout<<"base1"<<endl;}
};
class base2
{
public:
	fun(){cout<<"base2"<<endl;}
};
class derived:public base1,public base2
{
public:
	void fun(){cout<<"derived"<<endl;}
};
void main()
{
	base1 *p1;
	base2 *p2;
	derived obj;
	p1=&obj;
	p1->fun();
	p2=&obj;
	p2->fun();
}