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Refactoring quiz

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Why might a team deliberately choose NOT to refactor a specific piece of poorly-structured but working code, even if it exhibits clear code smells?

In this round
  1. Why might a team deliberately choose NOT to refactor a specific piece of poorly-structured but working code, even if it exhibits clear code smells?
  2. What is "Introduce Parameter Object," as a refactoring technique, typically used to address?
  3. What is the "Rename Variable/Method" refactoring, and why might such a seemingly simple change be considered valuable enough to be a named, deliberate refactoring technique?
  4. What is "Replace Magic Number with Named Constant," as a refactoring technique?
  5. What is the general guidance around "small steps" in refactoring practice, as opposed to attempting one large, sweeping structural change all at once?
  6. What is "duplicated code" as a code smell, and why is the "Don't Repeat Yourself" (DRY) principle relevant to addressing it?
  7. What is the general risk of refactoring code that has NO automated test coverage at all, and what approach is often recommended in that situation?
  8. What is a "Primitive Obsession" code smell, and what refactoring commonly addresses it?
  9. What is "refactoring," at its core definition (as popularized by Martin Fowler)?
  10. What is "Replace Conditional with Polymorphism," as a refactoring technique, generally used to address?
  11. What is "Extract Method" (or "Extract Function"), as a classic refactoring technique?
  12. What is the difference between refactoring and simply "rewriting" a piece of code?
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