Design Patterns Unleashed: Building Elegant and Confident Solutions
summary
Clear, hands‑on coverage of six patterns with runnable Python code: Singleton ensures single instance demonstrated with logger/DB examples, Abstract Factory for Linux vs Windows GUIs producing concrete Button/Checkbox objects, and Adapter for legacy APIs and printer/XML→JSON conversion. Diagrams come from refactoring.guru and code shows creation, usage, and identity checks (singleton comparison), factory selection by OS, adapter wrappers, Bridge for UI/db abstractions, Observer for event feeds, and Strategy for interchangeable payment/sorting algorithms. Claims: better readability, reuse, and maintainability, illustrated with concrete examples that run.
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chapters (12)
- 0:00Introduction to design patterns
- 2:26Purpose and benefits of patterns
- 3:57Creational patterns overview
- 4:41Singleton pattern explained
- 7:11Abstract Factory pattern
- 11:45Structural patterns overview
- 12:48Adapter pattern in practice
- 18:41Bridge pattern benefits
- 21:08Behavioral patterns overview
- 21:51Observer pattern use cases
- 24:01Strategy pattern applications
- 25:06Q&A and closing remarks
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