C++对象模型--有重写的单继承

//Derived_Overwrite.h
#pragma once
#include "base.h"

class Derived_Overrite : public Base
{
public:
    Derived_Overrite(int);
    virtual ~Derived_Overrite(void);
    virtual void print(void) const;
 
protected:
    int iDerived;
};

//Derived_Overwrite.cpp

#include "stdafx.h"
#include "Derived_Overwrite.h"


Derived_Overrite::Derived_Overrite(int i):Base(0)
{
	iDerived = i;
	cout<<"Derived_Overwrite::Derived_Overwrite()"<<endl;
}

Derived_Overrite::~Derived_Overrite(void)
{
	cout<<"Derived_Overwrite::~Derived_Overwrite()"<<endl;
}

void Derived_Overrite::print(void) const
{
	cout<<"Derived_Overwrite::print()， iDerived " << iDerived << endl;
}