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Internet / AI Technology University (ITU/AITU)
Created by info@itofthefuture.com
Welcome Anonimous.User to this quiz related to Ejb.

Read the question and choose the best answer. Time is limited to 40 seconds!

Important! Do not forget to rank the quality of the question (from bad to excellent).
An initiator of the quiz will get royalty score for QnAs created by her/him and can win the Top Creativity Prize.
Question:
Can the primary key in the entity bean be a Java primitive type such as int?

Yes, but internally the application server uses corresponding wrapper class (java.lang.Integer instead of int)


Primary key object should implement EJBPrimaryKey interface


Yes, but only in container-managed beans


Primary key object should extend EJBPrimaryKey class


No, you should use wrapper class (java.lang.Integer instead of int)


Yes, if it is supported by the database server
Rank the Quality of the Question from "-10" (bad) or "0" (not clear) to 10 (correct) or even 20 (very good!)
-10 (bad/wrong) 0 (not clear) 10 (correct) 20 (very good!)
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