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class A{ public: virtual void CallMe(); }; class...

<< Back to: C++ FAQ (part 1 of 10)

Question by James
Submitted on 12/12/2003
Related FAQ: C++ FAQ (part 1 of 10)
Rating: Not yet rated Rate this question: Vote
class A{
public:
   virtual void CallMe();
};
class B:public A{
private: //note--> private here
   void CallMe();
};
main()
{
  A *ptr=new B;
  ptr->CallMe();
}
1.How c++ allows you to call B's private member function.
2.Is there any other way to call B's member function without using "virtual" keyword.




Answer by amit rastogi
Submitted on 5/11/2004
Rating:  Rate this answer: Vote
answer to 2).Yes. we can call B's member function without using virtual keyword.


class A{
public:
    void CallMe();
};
class B:public A{
public: //you have to make it public
        // as virtual property is not used  
   void CallMe();
};

void main()
{
b *pt= new b;
a *pt1= pt;
reinterpret_cast<b*>(pt1)->CallMe();
}


 

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