I “know” OOP

    It comes for an interview. I ask general questions. We are talking about his current work and responsibilities. And I hear:
    - When I arrived, there was generally horror. Well, I began to introduce OOP little by little, to rewrite everything to classes ...
    - But why? What is the advantage of OOP over a procedural approach?
    - In OOP, I can group functions into one class ...
    - Why? Write them in one file. What classes are better?
    - ... (the interlocutor’s stupor)

    These were thoughts aloud

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