Behavioral Design Patterns in C++ - Basic Implementation-Mediator

The video tutorial explains the implementation of the Mediator design pattern. It begins with setting up a new solution and project, followed by creating the Mediator and Colleague base classes. The tutorial then details the implementation of Concrete Colleague 1 and 2, focusing on message sending and receiving. The Concrete Mediator class is implemented to manage interactions between colleagues. The video concludes with testing the classes, generating output, and discussing the class diagram to illustrate relationships, emphasizing loose coupling.

What is the first step in setting up the solution for the mediator design pattern?

• Generating the class diagram

• Developing the Concrete Mediator class

• Creating a new solution and adding a project

• Implementing the Concrete Colleague classes

What is the purpose of the 'oninvoke' function in the Mediator class?

• To create a new project

• To facilitate message exchange between colleagues

• To initialize the Concrete Colleague classes

• To generate the class diagram

How does Concrete Colleague 1 send a message to other colleagues?

• By creating a new instance of the mediator

• By modifying the base class

• By directly calling the other colleague's method

• By using the 'oninvoke' function

What is the role of the Concrete Mediator class?

• To generate the class diagram

• To replace the Colleague base class

• To facilitate interaction between Concrete Colleague 1 and 2

• To directly manage the Concrete Colleague classes

What is the main advantage of using a pointer to the Colleague class rather than its subclasses in the mediator?

• It simplifies the code structure

• It promotes loose coupling

• It enhances performance

• It reduces memory usage

What message does Concrete Colleague 2 send to Concrete Colleague 1?

• Message A

• Message C

• Message B

• Message D

What is the final step in the video tutorial?

• Creating a new solution

• Running the main function

• Implementing the Concrete Colleague classes

• Generating the class diagram