Product Class:?

Short answer: The Product class represents an individual product with a property Name. This is the item that we will iterate over in the collection. public class Product

Example code

{
public string Name { get; }
public Product(string name) => Name = name;
}

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.