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Showing 1–12 of 12 questions
How is Bean Validation applied to a POJO?
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What does @NotNull guarantee on a field?
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What does @Size constrain on a string?
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When does validation typically run in JPA?
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Which are standard Bean Validation constraints? (Choose two.)
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CORRECT TEXT
The constraint requiring a non-empty, non-null string with size at least one is often expressed with ______.
Answer is in the explanation below.
Which annotation marks a class as JPA entity?
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Which annotation marks the primary key field?
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Which annotations map an entity basics? (Choose two.)
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Which change fetching per association? (Choose two.)
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DRAG DROP
Match each mapping annotation to its purpose.
Items to match: @Entity annotation purpose, @Id annotation purpose, @Temporal annotation purpose, mappedBy attribute purpose.
Answer is in the explanation below.
DRAG DROP
Match each query element to its use.
Items to match: Named parameter syntax, setParameter binding call, @NamedQuery declaration used, JOIN FETCH clause.
Answer is in the explanation below.
