Trace the instantiation table. Virtual functions are implemented in subclasses. Calling a virtual method in the constructor of a base class is reliant on that class's (or parent class's) implementation. Subclasses that have reimplemented have not been instatiated yet.

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Interview Question for UI Software Engineer at Electronic Arts:

Given classes A,B,C. B is a subclass of A and C is a subclass of B. Why would you not call any virtual methods in any of their constructors?

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