Interview Question: Is Decorator an EJB design pattern?

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Question:Is Decorator an EJB design pattern?

Answer: No. Decorator design pattern, is the one which exhibits very low level runtime polymorphism, for the specific and single object (Instance of the class), but not for atleast for a class. It is the stuff to add specific functionality to a single & pointed object and leaves others like it unmodified. It is having close similarities like aspectJ stuff, but not with EJB stuff.

 

 

 

 


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