Using base pointers on DerivedClass class objects.

  
// 
#include <iostream>
#include <cstring> 
using namespace std;

class BaseClass {
  char author[80];
public:
  void put_author(char *s) { 
     strcpy(author, s); 
  }
  void show_author() { 
     cout << author << endl; 
  }
} ;

class DerivedClass : public BaseClass {
  char title[80];
public:
  void put_title(char *num) {
    strcpy(title, num);
  }
  void show_title() {
    cout << "Title: ";
    cout <<  title << endl;
  }
};

int main()
{
  BaseClass *p;
  BaseClass baseObject;

  DerivedClass *dp;
  DerivedClass derivedObject;

  p = &baseObject;  

  p->put_author("Tom Clancy");

  p = &derivedObject;
  p->put_author("William Shakespeare");

  baseObject.show_author();
  derivedObject.show_author();
  cout << endl;

  dp = &derivedObject;
  dp->put_title("The Tempest");
  p->show_author(); 
  dp->show_title( );

  return 0;
}

Related examples in the same category

1.	Base class and derived class
2.	Pass arguments to base class
3.	Init member variables from base class
4.	class to represent a book
5.	Use Base keyword to call method in parent class from subclass

Using base pointers on DerivedClass class objects. : Base Class « Class « C++

Related examples in the same category