l8_8.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
class A
{
private:
	int a;
public:
	virtual void func(){}
};

class B : public A 
{
private:
	int b;
public:
	virtual void func(){} 
	virtual void func1(){} 
};

void main(void)
{
	cout << "sizeof(A)=" << sizeof(A) << endl;
	cout << "sizeof(B)=" << sizeof(B) << endl;
}