Which statement is correct about these classes if NO other annotations and mapping descriptors are provided?

Given:

11. @Entity public class X {
12. @ld int id;
13. Y y;
14. }
A public class Y with NO Java Persistence annotations is defined in the same package.
Which statement is correct about these classes if NO other annotations and mapping descriptors
are provided?

Given:

11. @Entity public class X {
12. @ld int id;
13. Y y;
14. }
A public class Y with NO Java Persistence annotations is defined in the same package.
Which statement is correct about these classes if NO other annotations and mapping descriptors
are provided?

A.
Class Y must be serializable.

B.
Class Y must be marked as an entity.

C.
The entity X is not defined correctly. The field y must be marked as @Lob.

D.
Class Y must be accessed by a persistence application through a public interface.



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