Final Review

Question 1

What are the participants of the Bridge pattern?

Answer 1

Abstraction - defines the interface and maintains a reference to the implementor
RefinedAbstraction- extends the abstraction
Implementor - defines the interface for implementation classes which doesn’t have to correspond with Abstraction and only provides primitive operations
ConcreteImplementor - implements the implementor

Question 2

What are the participants of the Mediator pattern?

Answer 2

Mediator - defines an interface for communicating with colleague objects
ConcreteMediator - implements cooperative behavior by coordinating colleague objects, knows and maintains list of colleagues
Colleagues - knows the mediator, communicates with the mediator instead of colleague

Question 3

What are the participants of the Memento pattern?

Answer 3

Memento
Originator
Caretaker