Question

Define a class ABC. Derive two classes BBC and KBC from ABC. All the classes contains same

member function name as display(). The base class pointer always holds the derived class objects.

Answer 1

#include<iostream>
using namespace std;
class ABC{
	public:
		void display(){
			cout<<"In base\n";
		}
};
class BBC: public ABC{
	public:
		void display(){
			cout<<"Welcome";
		}
	
}; 
class KBC: public ABC{
	public:
		void display();
};


int main(){
	ABC *c;
	BBC b;
    c = &b;
    c->display();
}