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GoF Patterns
Gang of Four Patterns
State Persistence:?
Short answer: The pattern enables the persistence of object states over time, which can be useful in applications like text editors, form submissions, or game states where you need to track changes and revert when needed. Considerations:
Real-world example (ShopNest)
Use a GoF pattern in ShopNest only when it removes duplication or makes a change safer—explain the problem it solves in the interview.
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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