definition
Name: Factory Structure: Title: Define an interface for creating an object, which allows the subclass to instantize which class. Factory Method delays a class of instantiation to their subclasses. Applicability: When a class does not know the class of the object it must create. When a class wants to specify the object it created by its subclass. When classes will create a responsibility of the object to a multiple help subclass, and which helper subclass will be the agent of the agent. effect:
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