Persistence and Validation – Page 2 – Sharp: NCLEX, Java & Python

Java: Persistence and Validation

How does Java Bean Validation work in a Spring controller?

Why does @Valid in Spring Boot controllers matter in this design?

How does the @NotBlank annotation help in data validation?

Why can self-invocation of a @Transactional method fail?

What are the benefits of constructor injection in Spring?

How to handle transactions in self-invoking methods?

Why is early input rejection important in Spring applications?

How would you explain a common mistake with bean scopes in Spring in an interview?

How can bean validation improve application security?

What are the consequences of improper bean scope selection?