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GoF Patterns
Gang of Four Patterns
Concrete Factories (FileLoggerFactory, ConsoleLoggerFactory):?
Short answer: The concrete factories extend LoggerFactory and override the CreateLogger method to create specific logger types, such as FileLogger or ConsoleLogger. The subclass provides the implementation details for object creation.
Real-world example (ShopNest)
ShopNest’s NotificationFactory creates Email or SMS senders based on user preference.
Say this in the interview
- Define — one clear sentence (the short answer above).
- Example — relate it to a project like ShopNest or your real work.
- Trade-off — when you would not use it.
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