Delegation:?

Short answer: Once the real object is initialized, the proxy delegates the call to the real object. In our example, after the image is loaded by the proxy, it delegates the Display() method to the RealImage class. Benefits of the Proxy 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.