Spring Boot MCQs

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Test your Spring Boot knowledge.

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Spring Boot MCQs


Spring Boot MCQsVersion en ligne Test your Spring Boot knowledge. par Birendra Singh 1 Which annotation is used for global exception handling in Spring? a @Global b @Exception c @ControllerAdvice d @RestAdvice 2 If you want to write a JPQL query to fetch users where email LIKE pattern, which method is correct? a @Query("select u from User u where u.email like :email") b @Query("from User where email contains :email") c @Query("search User by email like ?1") d @NamedQuery("User.searchLike") 3 Which annotation triggers Hibernate Validator for standard validation? a @Validate b @EnableValidation c @Validated / @Valid d @Constraint 4 To create a custom validation annotation, which annotation is mandatory? a @CustomValidator b @Constraint c @Validation d @AnnotationValidator 5 Which class is typically extended for global exception handling in REST APIs? a ResponseStatusException b ExceptionMapper c ResponseEntityExceptionHandler d RestTemplate 6 Which file is used for Internationalization message resolution? a application.xml b messages.properties c config.properties d i18n.xml 7 Where do you place named JPQL queries when using a jpa-named-queries.properties file? a Under /src/main/java/ b Under /META-INF/ c Inside entity class folder d Under /src/main/resources/ 8 What does this starter include? org.springframework.boot spring-boot-starter-data-jpa a Hibernate ORM b Spring JDBC c Tomcat server d Both A and B 9 What is wrong in this custom validator? @Target({ FIELD }) @Retention(RUNTIME) @Constraint(validatedBy = {}) public @interface StrongPassword { String message() default "Weak password"; } a Missing groups and payload b Missing validator class c Annotation cannot be created d Both A and B 10 public interface UserRepository extends JpaRepository { List findByEmail(String email); } How is the query generated? a Native SQL b JPQL c Based on method name parsing d XML mapping only 11 @NamedQueries({ @NamedQuery(name="User.findAllActive", query="SELECT u FROM User u WHERE u.active=true"), @NamedQuery(name="User.findByRole", query="SELECT u FROM User u WHERE u.role=:role") }) Why use @NamedQueries? a To store multiple named queries b To improve performance only c To replace repositories d To enable transactions 12 @PostMapping("/users") public ResponseEntity save(@Valid @RequestBody User user) { } What does @Valid trigger? a JSON conversion b Bean validation before method execution c Transaction d JPA save 13 @Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) @Constraint(validatedBy = EmailValidator.class) public @interface ValidEmail { } Which interface must EmailValidator implement? a Validator b ConstraintValidator c JpaRepository d Serializable

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Spring Boot MCQs

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

Top Jeux

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Spring Boot MCQsVersion en ligne

par Birendra Singh

Which annotation is used for global exception handling in Spring?

If you want to write a JPQL query to fetch users where email LIKE pattern, which method is correct?

Which annotation triggers Hibernate Validator for standard validation?

To create a custom validation annotation, which annotation is mandatory?

Which class is typically extended for global exception handling in REST APIs?

Which file is used for Internationalization message resolution?

Where do you place named JPQL queries when using a jpa-named-queries.properties file?

What does this starter include? org.springframework.boot spring-boot-starter-data-jpa

What is wrong in this custom validator? @Target({ FIELD }) @Retention(RUNTIME) @Constraint(validatedBy = {}) public @interface StrongPassword { String message() default "Weak password"; }

public interface UserRepository extends JpaRepository { List findByEmail(String email); } How is the query generated?

@NamedQueries({ @NamedQuery(name="User.findAllActive", query="SELECT u FROM User u WHERE u.active=true"), @NamedQuery(name="User.findByRole", query="SELECT u FROM User u WHERE u.role=:role") }) Why use @NamedQueries?

@PostMapping("/users") public ResponseEntity save(@Valid @RequestBody User user) { } What does @Valid trigger?

@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) @Constraint(validatedBy = EmailValidator.class) public @interface ValidEmail { } Which interface must EmailValidator implement?