Which two statements are true?

Question

Options

• AImplementing a DAO often includes the use of factory.
• BTo be implemented properly, factories rely on the private keyword.
• CFactories are an example of the OO principle "program to an interface."
• DUsing factory prevents your replication from being tightly coupled with a specific Singleton
• EOne step in implementing a factory is to add references from all the classes that the factory will merge.