Abstract Factory Pattern

Abstract Factory Pattern provides an interface for creating a factory of related objects without explicitly specifying their classes. In other words, the Abstract Factory is a super-factory which creates other factories (Factory of factories).

Abstract Factory Pattern
In the above URL class diagram,
AbstractFactory defines a Factory Method per product:
ConcreteFactoryA and ConcreteFactoryB implement methods to create concrete product A and B
AbstractProductA declares the interface of product A
AbstractProductB declares the interface of product B

Example code:

FactoryAProduct1 created
FactoryBProduct2 created

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