The Mediator pattern has which of the following advantages?
(a) It decouples collaborators, making them more changeable and reusable
(b) It centralizes control of an interaction in the mediator class, making it easier to change, thus increasing modifiability
(c) It simplifies the collaborators, making them easier to understand, and hence to change
(d) All of the mentioned
This question was addressed to me in semester exam.
This interesting question is from The Facade and Mediator Patterns in division Visibility, Accessibility and Information Hiding of Software Architecture