What are the differences between the Observer and Publisher-Subscriber design patterns?
- Both patterns follow the same implementation structure
- Observer pattern involves a subject and multiple observers, while Publisher-Subscriber involves multiple publishers and multiple subscribers
- Observer pattern is used in event handling, while Publisher-Subscriber is used in UI components
- Terms are used interchangeably
The key difference lies in the relationship structure. The Observer pattern involves a one-to-many relationship, while Publisher-Subscriber involves a many-to-many relationship between publishers and subscribers.
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