Neither "has-a" nor "is-a" but "wants-to-be-a"

What if a class wants to be another class? Like Pinocchio.

What if a class wants to be another class? Like
Pinocchio.That's why we have the caste system.I'm sorry, I can't communicate with you as you are of
a lower caste than I.
Be gone, you, before I become unclean. :)No wonder my method calls never return anything useful!
� {�                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

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