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Question ID 4560

A developer wants to model the grades for a student as a Map<course, integer>. Assume that Student and Course are entitles, and that grades are modeled by integers.
Which of the following two statements are correct? (Choose two)
 

Option A

A.    The developer can model the grades as an element collection in the Student entity.
 

Option B

B.    The developer can model the grades as a oneToMany relationship in the Student entity.
 

Option C

C.    The mapping for the key of the map can be specified by the @MapKeycolumn annotation.
 

Option D

D.    The mapping for the value of the map can be specified by the @Column annotation.
 

Correct Answer A,D
Explanation


Question ID 4561

Consider a persistence application with the following orm.xml:
 
What will be the effect of the above orm.xml?

Option A

A.    The access type for only those entities that have not explicitly specified @Access will be defaulted to field.
 

Option B

B.    The access type for all entities in the persistence unit will be changed to FIELD.

 

Option C

C.    The access type for all entities specified in this orm.xml will be changed to FIELD.
 

Option D

D.    The access type for only those entities defined in this orm.xml for which access is not specified will be defaulted to FIELD.

Correct Answer D
Explanation

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