Behavioral Design Patterns in C++ - Basic Implementation-Observer

The video tutorial explains the basic implementation of the observer design pattern. It starts with an introduction to the pattern, followed by creating the base observer class with a pure virtual update function. The subject class is then implemented with attach, detach, and notify functions. Concrete subject and observer classes are added, managing state changes and notifications. The tutorial demonstrates using these classes in the main function and concludes with a summary and class diagram of the observer pattern.

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