C%20%20%20Interview%20Questions%20and%20Answers
Question: What is a node class?
Answer: A node class is a class that,* relies on the base class for services and implementation, * provides a wider interface to the users than its base class, * relies primarily on virtual functions in its public interface * depends on all its direct and indirect base class * can be understood only in the context of the base class * can be used as base for further derivation * can be used to create objects. A node class is a class that has added new services or functionality beyond the services inherited from its base class. |
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