Behavioral Design Patterns Quiz

Which behavioral design pattern is best suited for implementing a chat application with multiple users?

• Observer

• Strategy

• Command

• State

Answer explanation

The Observer design pattern is best suited for implementing a chat application with multiple users. It allows for efficient communication and updates between users by maintaining a list of observers and notifying them of any changes.

In a real-world scenario, which design pattern would be most appropriate for handling user authentication and authorization?

• Visitor

• Chain of Responsibility

• Template Method

• Iterator

When designing a system for managing different types of employees with varying roles and responsibilities, which design pattern would be most effective?

• Composite

• Memento

• Interpreter

• Proxy

In a social media platform, which design pattern would be suitable for implementing a notification system for users?

• Flyweight

• Mediator

• Adapter

• Decorator

For a banking application, which design pattern would be most appropriate for implementing a transaction logging system?

• Command

• Observer

• Singleton

• Bridge

When developing a music streaming service, which design pattern would be best for managing the playback of different audio tracks?

• State

• Chain of Responsibility

• Visitor

• Prototype

In a video game, which design pattern would be most suitable for managing the behavior of non-player characters (NPCs)?

• Memento

• Proxy

• Interpreter

• Strategy

For a traffic management system, which design pattern would be most effective for coordinating the flow of vehicles and signals?

• Command

• Mediator

• Iterator

• Facade

In an e-commerce platform, which design pattern would be appropriate for implementing a shopping cart functionality?

• Decorator

• Observer

• Template Method

• Visitor

When designing a weather forecasting application, which design pattern would be most suitable for processing and displaying meteorological data?

• Strategy

• Adapter

• Flyweight

• Memento