REST

Question 1

Which dependency is essential for building RESTful web services in Spring Boot?

Answer 1

spring-boot-starter-web

Question 2

What is the primary role of the @RestController annotation in a Spring Boot application?

Answer 2

It indicates that the class is a controller where every method returns a domain object instead of a view.

Question 3

What is the default behavior of Spring Boot when an error occurs in a RESTful service?

Answer 3

It returns a “Whitelabel Error Page”.

Question 4

How can you customize the error handling in Spring Boot to return a specific HTTP status code and message?

Answer 4

By using the @ExceptionHandler annotation.

Question 5

Which authentication mechanism should be used to securely transmit information between a client and server as a JSON object?

Answer 5

JWT (JSON Web Token)

Question 6

What does the Basic Authentication scheme involve?

Answer 6

Sending the username and password encoded in the HTTP Authorization header.

Question 7

Which dependency is essential for testing Spring Boot applications?

Answer 7

spring-boot-starter-test

Question 8

What is the purpose of the @SpringBootTest annotation in a Spring Boot test?

Answer 8

It loads the complete application context for integration testing.