Interview Question #1

So, as I mentioned before, I am going to post questions I think will be useful in interviewing applicants to a developer position in an average software development company. Here goes the first one.

Question

We see a class named AbstractShape with a method redraw() on it, with a given behavior already implemented. One of its subclasses, Circle, overrides this method and instead of coding a behavior of its own, throws an UnsupportedOperationException. What is the matter with this design? How can it be fixed?

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