Revision Notes/Design Patterns
Field Entry - Design Patterns
Abstract Factory Pattern
Provides an interface for creating families of related objects — like UI components for different operating systems — without specifying their concrete classes.
Field Note - Real-world Analogy
“Think of furniture showrooms for different styles: Modern, Victorian, and Art Deco. Each showroom (factory) sells a complete matching set — sofa, chair, table, lamp — all in the same style. If you buy from the Modern showroom, every piece matches because they came from the same factory. You can't accidentally mix a Victorian table with a Modern sofa.”
Field Observations - Key Topics Covered
Abstract Factory goes one step further than the Factory Method. While Factory Method creates one type of object, Abstract Factory creates an entire family of related objects. Think of it as a "super-factory" that produces multiple related products that are designed to work together.
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