Behavioral Design Patterns in C++ - Chat System - I

The video tutorial explains the mediator design pattern using a chat system example. It highlights the complexity of direct connections between participants in a growing chat system and introduces a central chat server as a mediator. The tutorial covers the implementation of a chat system using the mediator pattern, including creating a base class for participants and subclassing for different types. It also discusses the use of the observer pattern for message forwarding and the interaction between participants and the server. The tutorial concludes with a brief introduction to subclassing and message handling.

What are the potential issues with a direct connection model in a chat system as the number of users increases?

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What is the main purpose of using the mediator design pattern in a chat system?

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How does the mediator facilitate communication between participants in a chat system?

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What are the different types of subclasses that can be created from the 'Participant' class?

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Describe the role of the 'Participant' class in the implementation of the chat system.

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What is the significance of the chat server in the mediator design pattern?

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Explain how the Observer design pattern is utilized in the chat system.

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