virtual function

Posted by hitech on Stack Overflow See other posts from Stack Overflow or by hitech
Published on 2010-03-18T00:49:53Z Indexed on 2010/03/18 1:01 UTC
Read the original article Hit count: 312

Filed under:
class a
{
 virtual void foo(void) ;
};

class b : public  a
{
public:
 virtual void foo(void)
  {
  cout<< "class b";
  }
};

int main ( ) 
{
class a *b_ptr = new b ;
b_ptr->foo();
}

please guide me why the b_ptr->foo() will not call the foo() function of the class b?

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