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Comment by mnm1 | Hacker News Reader

Oh please. As if the interviewer's next question wouldn't be "make it faster/more efficient" anyway. The interviewer is the problem here because he wants to build a chess game in an extremely stupid way using OOP for no other reason than to use OOP. I'd say most applications of OOP fail in similar ways in real life, creating monsters of complexity where simplicity could have existed. The author should consider himself lucky: this sounds like an extremely shitty company and the interview has shown him that. It probably wouldn't even be worth it for him to complete the interview at this point. No one wants to work for idiots.

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The interviewer gave the OP a simple question that could be answered within a short time to gauge how well they understood OO design, and OP specifically implemented it in a way to frustrate them. So again, whose the idiot?

If OP wanted to crush the question, they could quickly answer it by saying this is how you could implement using classes and inheritance, now let me explain why OO is a poor solution for this specific problem, and what kind of problem sets OO design is most useful in.

How the interviewee is supposed to even guess this is an OOP question, as opposed to a "solve this problem" question? Unless the interviewer goes out of his way to mandate an OOP solution, he will just get whatever is the best guess of the interviewee.

In my case, this is unlikely to yield an OOP solution. I'm even less likely to guess an OOP solution was even expected. And if I fail the interview because this particular company takes OOP for granted, I should fail the interview, and may even be glad I did.

It does not mention how the question was put, and in which context. If it was clear from the start that the OP was expected to use OO, then it would not be smart to start with the bitboard implementation and then continue to argue about it. ... But if the question simply was, "how would you design a chess game", with no other context, then it would be reasonable to assume that the interviewer would want to hear your best solution... and for that he chose the non-OO bitboard version, based on his previous experience with chess engines.

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