|
|
A real estate office has implemented a server to keep track of agents and their listings. In the application code, there is a real_property abstract base class, with a derived class residential. The residential class includes a nested class room, and a data member rooms_, which is an RWTValSlist collection of room objects. References to property objects is mainly through pointers to real_property, with polymorphism redirecting the reference to the concrete residential objects.
|