Reusability and Extensibility:?

Short answer: The pattern allows for reusing the general flow of the algorithm (the steps in the Cook method) while customizing certain steps in different subclasses. This makes it easy to add new recipes by simply extending the Recipe class and overriding the abstract steps. Benefits of the Template Method 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.