In Facade sample, a single class represents a complete complicated system. It offers a simplified interface to a library, a framework, or another complicated set of courses.

For instance think about a restaurant.  When the shopper go to a restaurant and order some meals, then the operator give the voice interface on behalf of the restaurant. That is the façade for the shopper. The shopper don’t must know, how the meals might be made, what temperature it is going to be burn, what supplies might be used and so forth.

When to make use of facade sample
You should use facade sample with a view to simplify the issue when there are a number of complicated subsystems and interacting with them individually is de facto troublesome.

Actual life instance

• A shopkeeper is a facade for all of the objects within the store.
• A journey website is a facade for purchasers for various vacation or journey packages.
• The shopper care is a facade for purchasers for various companies.