Question: Write a program with a base class B and an inherited D1 class and D2 class, all of them have a function void display ()

Write a program with a base class B and an inherited D1 class and D2 class, all of them have a function void display () that prints a message ( content of the name class) the base class use PURE VIRTUAL function. In the main define base class use pointer b points to objects d1 and d2 of subclasses .call the display() using pointer of subclasses.

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