Oracle
1Z0-860 · Question #129
1Z0-860 Question #129: Real Exam Question with Answer & Explanation
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Question
Consider a deep inheritance hierarchy consisting of Java Persistence entity classes, non-entities, and mapped superclasses. Which statement is correct, assuming NO mapping descriptor is present?
Options
- AAn entity class must NOT inherit from a non-entity class.
- BAn entity class must NOT be extended by a non-entity class.
- COnly the root class in an inheritance hierarchy can be annotated wtith @MappedSuperclass.
- DThe primary key must either be defined in the top most entity class of the inheritance hierarchy or it can
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