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Top 35+ Spring boot interview questions for experienced with answers

Are you a experienced Spring Boot developer gearing up for your next big interview? We’ve listed of in-depth questions and answers covering core concepts, advanced features, best practices, and real-world scenarios. Whether you’re an experienced professional or a recent graduate, this article will help you solidify your understanding and ace your interview.

Spring boot interview questions for experienced with answers

  1. What is Spring Boot, and how does it differ from the traditional Spring Framework?
  2. Explain the significance of the @SpringBootApplication annotation.
  3. How do Spring Boot’s @SpringBootApplication and @EnableAutoConfiguration annotations work?
  4. Explain the concept of Auto-Configuration in Spring Boot.
  5. How can you create a custom Auto-Configuration in Spring Boot?
  6. What is the use of Spring Boot Starters?
  7. What are the different ways to create a Spring Boot application?
  8. Explain the Spring Boot Actuator and its purpose.
  9. How do you enable and customize Spring Boot Actuator endpoints?
  10. What are Spring Profiles, and how do you use them in Spring Boot?
  11. How does Spring Boot handle application configuration files?
  12. What is the role of application.properties and application.yml in Spring Boot?
  13. How can you manage security in Spring Boot applications?
  14. What are the ways to deploy a Spring Boot application?
  15. How does Spring Boot handle error handling by default?
  16. What is Spring Boot DevTools, and what advantages does it provide?
  17. Explain Spring Boot’s @RestController and @RequestMapping annotations.
  18. What is Spring Boot’s CommandLineRunner interface used for?
  19. How can you handle exceptions in Spring Boot applications?
  20. How do you use caching in Spring Boot applications?
  21. What is a Spring Boot Starter Test?
  22. How do you configure a DataSource in Spring Boot?
  23. What is the purpose of Spring Boot’s @ConfigurationProperties annotation?
  24. Explain the concept of Embedded Servers in Spring Boot.
  25. How can you use Spring Boot with Microservices architecture?
  26. What is the difference between @RestController and @Controller in Spring Boot?
  27. How do you integrate Spring Boot with a messaging service like Kafka?
  28. How does Spring Boot handle dependency management?
  29. How can you change the default server port in Spring Boot?
  30. What is the purpose of the @RestController annotation in Spring Boot?
  31. Describe the use of @PathVariable and @RequestParam in Spring Boot.
  32. Explain the role of @RequestMapping and its variations (@GetMapping, @PostMapping, etc.).
  33. How do you connect a Spring Boot application to a database?
  34. What is Spring Data JPA, and how does it work with Spring Boot?
  35. How do you create a custom starter in Spring Boot?
  36. Explain the significance of the @SpringBootTest annotation.
  37. How does Spring Boot handle externalized configuration?
  38. Explain the importance of @Entity and @Repository in Spring Boot.
  39. How does Spring Boot support logging?

These questions are most frequently asked in interview. For answers, please visit fdaytalk.com- Spring boot interview questions

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