Design Patterns: Elements of Reusable Object-Oriented Software

This lecture covers the fundamental concepts of design patterns as described in the book 'Design Patterns: Elements of Reusable Object-Oriented Software' by the gang of four. It explains the challenges of designing reusable object-oriented software, the importance of code quality, and the essential elements of design patterns. The lecture discusses the pros and cons of design patterns, emphasizing their role in providing solutions to common design problems. It explores examples of important design patterns such as Iterator, Singleton, and Abstract Factory, illustrating their application in creating flexible and maintainable object-oriented code.

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