Lecture 8-Mediator pattern

Question 1

What does the mediator pattern do?(3)

Answer 1

-All of the appliance objects can be simplified.
-They tell the mediator when their state changes.
-They respond to requests from the mediator.

Question 2

Where do we use the mediator pattern?

Answer 2

A group of tightly coupled classes which would benefit from being more independent–> for easier maintenance or simpler reuse of these classes.

Question 3

What is the con of using the mediator pattern?

Answer 3

Without proper design–> mediator object can become overly complex.