Spring Boot Objective Questions and Answers - Set 3

Test your Spring Boot skills with carefully curated MCQs designed for real-world development and interview preparation. Focused on configuration, REST APIs, data access, security, and production-ready applications. This is part 3 of the series.

Practice Spring Boot MCQs with Detailed Explanations

Answer at least 12 questions to submit and verify answers.

31 What is the main benefit of Spring Boot starters? Medium

32 Which annotation disables a specific auto-configuration? Hard

33 What is the default port of a Spring Boot application? Easy

34 Which annotation is used to inject environment-specific beans? Medium

35 What is the default logging framework in Spring Boot? Medium

36 Which annotation maps path variables in REST APIs? Easy

37 Which annotation marks a bean for lazy initialization? Medium

38 What happens when an exception is not handled in a REST controller? Medium

39 Which annotation enables scheduling? Medium

40 Which annotation is used to schedule a task? Medium

41 Which property file takes higher precedence? Hard

42 What does @MockBean do in tests? Hard

43 Which annotation is used to return HTTP status explicitly? Medium

44 What is the main purpose of Spring Boot DevTools? Medium

45 Which annotation enables caching? Medium