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In factory method pattern, the framework must instantiate classes but it only knows about the abstract classes, which it cannot initiate. How would one solve this problem ?

Correct answer: D. all of the mentioned

  • A. encapsulating the knowledge of which document subclass to is to be created and
  • B. moving this knowledge out of the framework
  • C. instantiating the application specific documents without knowing their class
  • D. all of the mentioned

Explanation

The Factory Method moves application-specific creation knowledge out of the framework and lets subclasses instantiate the appropriate concrete documents. This allows the framework to work with abstract classes without directly constructing them.

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