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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 correct answers. Time is limited to 40 seconds!

Important! Do not forget to rank the quality of the question (from bad to excellent).
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Question:
Assume you have reference to the home interface of an entity bean. This home interface contains 2 finder methods: bean.findByFirstKey() and bean.findByAnotherKey() returning java.util.List. What is the most effective way to combine these two finders with AND or OR operator to get one result collection?

Use combine() method of the List interface


Use combineResults() method of EjbHomeInterface interface


Use 2 nested loops (for AND operator)


Use 2 nested loops (for OR operator)


Use combineAnd() and combineOR() methods of EjbHomeInterface interface


Add results of findByFirstKey() and findByAnotherKey() to a Set (for OR operator)
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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