Easier Maintenance:?

Short answer: By using a mediator to manage the interactions, it’s easier to change the behavior of the communication or add new features. The changes are contained within the mediator, and users don’t need to be modified. Real-Time Use Case Examples:

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.