Easier Testing:?

Short answer: Each sorting algorithm can be tested independently. Since the algorithms are encapsulated in their own classes, you don't need to test them within the context class. When to Use the Strategy Pattern:

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.