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Exam 1z0-900 topic 1 question 39 discussion

Actual exam question from Oracle's 1z0-900
Question #: 39
Topic #: 1
[All 1z0-900 Questions]

When should a JPA entity implement the Serializable interface?

  • A. when JPA entities are used in the EJB Full container
  • B. when JPA entities are used outside of the EJB Lite container
  • C. always, because JPA entities are required to implement the Serializable interface
  • D. when JPA entities are used as parameters or return values by the remote EJB operations
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Suggested Answer: D 🗳️
Reference:
https://stackoverflow.com/questions/2020904/when-and-why-jpa-entities-should-implement-serializable-interface
by peteVln at Dec. 26, 2023, 3:45 p.m.

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orjava
7 months ago
Answer D
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peteVln
7 months, 1 week ago
The Java EE7 Tutorial 37.1, says: If an entity instance is passed by value as a detached object, such as through a session bean's remote business interface, the class must implement the Serializable interface.
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