Mid From PDF GoF Patterns Gang of Four Patterns

Multiple Algorithms:?

Q: Multiple Algorithms:?

Short answer: Use the Strategy Pattern when you have multiple algorithms for a specific task and want to switch between them easily (e.g., sorting, encryption, compression). 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: Use the Strategy Pattern when you have multiple algorithms for a specific task and want to switch between them easily (e.g., sorting, encryption, compression).

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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