Spring Core · interview question
Which Spring Boot feature helps in rejecting invalid data before it hits the service layer?
Multiple choiceMediumchapter-9-curatedpremiumspring-corepersistence-and-validation
Answer and explanation
Correct answer
C. @Valid
Why
@Valid is used in Spring Boot to trigger validation on method parameters, such as request bodies. It helps in rejecting invalid data at the controller level, thus preventing bad data from reaching the service layer.
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