Foundational Design Patterns

Implement the Factory Method and Abstract Factory creational patterns to decouple object creation.

Implement the Singleton pattern and evaluate its use cases and drawbacks.

Implement the Adapter and Facade structural patterns to simplify or adapt interfaces.

Implement the Decorator and Composite structural patterns to enhance object responsibilities dynamically.

Implement the Strategy and Observer behavioral patterns to manage algorithms and dependencies.

Implement the Command pattern to encapsulate requests as objects.

Select and justify an appropriate design pattern for a given design problem.