Mid From PDF GoF Patterns Gang of Four Patterns

Extensibility:?

Q: Extensibility:?

Short answer: The Command Pattern makes it easy to add new commands without modifying existing code. For example, you can add new commands like RemoveTextCommand or ChangeFontCommand by simply implementing the ICommand interface. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: The Command Pattern makes it easy to add new commands without modifying existing code. For example, you can add new commands like RemoveTextCommand or ChangeFontCommand by simply implementing the ICommand interface.

Say this in the interview

Define — one clear sentence (the short answer above).
Example — relate it to a project like ShopNest or your real work.
Trade-off — when you would not use it.

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60–90 second framework

Define — one crisp sentence
Example — project or course app
Trade-off — what you gain vs sacrifice
Guardrail — test, monitor, or prevent failure

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Say your answer aloud, then check against the written answer above.

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