Mid From PDF GoF Patterns Gang of Four Patterns

Reuse: ○ You can reuse the Adaptee class without changing it. Instead of refactoring the existing library, you can adapt it to fit your needs. Improvement Suggestions: ● Multiple Adapters for Different Interfaces: ○ You can create multiple adapters if you have several classes that need to be

Short answer: dapted to the same target interface. Each adapter can map different methods and behaviors from the adaptees.

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

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