Quick Answer
Factory pattern creates objects without exposing instantiation logic to the client. Factory Method: subclass decides which class to instantiate. Abstract Factory: family of related objects created together. Benefits: decouples creation from usage, easy to swap implementations, centralize creation logic. Spring's ApplicationContext is a factory - you ask for a bean, it creates/returns it.
Answer
Factory pattern creates objects without exposing creation logic. Promotes loose coupling and extensibility. Used in dependency injection and plugin architectures.
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Verified Answer
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