Top 30 most asked Spring Boot Questions in Interviews.

Reference : Spring Boot

1. What are the Features of Spring Boot?

2. Define the Key Components of Spring Boot.

3. What are the advantages of using Spring Boot?

4. What are the Spring Boot Starter Dependencies?

5. How does a spring application get started?

6. What does the @SpringBootApplication annotation do internally?

7. What is Spring Initializr?

8. What are Spring Boot CLI and the most used CLI commands?

9. What is JPA in spring boot?

10. Explain the concept of starters in Spring Boot.

11. How does Spring Boot handle external configuration?

12. What is the purpose of the application.properties (or
    application.yml) file?

13. Describe the Spring Boot auto-configuration mechanism.

14. What is the purpose of the @Component annotation in Spring
    Boot?

15. Explain the difference between @Component, @Repository,
    @Service, and @Controller annotations in Spring Boot.

16. What is Spring Boot dependency management?

17. What is the role of the @Autowired annotation in Spring Boot?

18. What is the purpose of the @Qualifier annotation in Spring Boot?

19. What is the purpose of the SpringApplication.run() method?

20. What is Spring Boot CLI?

21. What is the purpose of the @RequestMapping annotation in
    Spring Boot?

22. Differentiate between Spring MVC and Spring Boot.

23. What is the role of the @RestController annotation in Spring
    Boot?

24. Difference between @RestController and @Controller.

25. Define @PathVariable, @RequestBody, @RequestParam annotation.

26. How does Spring Boot support database operations?

27. What is @Entity in Spring Boot?

28. What is @GeneratedValue annotation?

29. What is @id annotation?

30. What is ResponseEntity<> ?

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