Spring Core · interview question
How can you declare a custom validation constraint in Spring?
Multiple choiceMediumchapter-9-curatedpremiumspring-corepersistence-and-validation
Answer and explanation
Correct answer
A. Create an annotation and implement ConstraintValidator
Why
To declare a custom validation constraint, you create an annotation and implement the ConstraintValidator interface. This allows you to define custom logic for your validation rule.
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