c49.cpp

来自「钱能的《C++程序设计习题及解答》配套代码」· C++ 代码 · 共 35 行

// c49.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <iostream.h>

class NoVirtual
{
public:
	void Foo(){}
private:
	int x;
};

class WithVirtual
{
public:
	virtual void Foo(){}
private:
	int x;
};

int main(int argc, char* argv[])
{
	cout << "sizeof(NoVirtual)= " << sizeof(NoVirtual) << endl;
	cout << "sizeof(WithVirtual)= " << sizeof(WithVirtual) << endl;

	return 0;
}