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Question 10:

EJB1.1 has support for undefined Primary Keys. This means that the Primary Key can be undefined until deployment time. When we use defined Primary Keys, the Bean class and the Interfaces use the BeanPK type to identify the key. What do the Bean class and the Interfaces refer to in the case of undefined Primary Keys?

 

Though the Primary Key itself can be undefined, its name must be predetermined. The Bean class and the Interfaces use this name.

An instance of java.util.Enumeration

An instance of java.lang.Class

An instance of java.lang.Object