Spring Boot MCQ Questions and Answers

100+ Spring Boot MCQ Questions and Answers

Click on each multiple-choice question to test your knowledge of Spring Boot. Each MCQ has 4 options and a correct answer with an explanation.

1. What is the primary goal of Spring Boot?
2. Which version of Java is required for Spring Boot 3?
3. What is the role of @SpringBootApplication annotation in Spring Boot?
4. What is the purpose of Spring Boot Starters?
5. Which embedded servlet container is NOT supported by default in Spring Boot?
6. How does Spring Boot simplify Maven configuration?
7. Which version of Gradle is compatible with Spring Boot 3
8. What is the purpose of the Spring Boot Actuator?
9. What is the default port for a web application in Spring Boot?
10. How can you customize the banner in a Spring Boot application?
11. What is the purpose of the spring-boot-starter-web dependency?
12. Which component in Spring Boot auto-configures a DataSource based on the classpath settings?
13. What is the purpose of the spring-boot-starter-test dependency?
14. Which embedded servlet container is supported by default in Spring Boot?
15. How can you run a Spring Boot application?
16. What is the use of the @ComponentScan annotation in Spring Boot?
17. What does the @Autowired annotation do in Spring Boot?
18. What is the use of @Entity annotation in Spring Boot?
19. What is the use of the spring-boot-starter-data-jpa dependency?
20. What is the use of @SpringBootTest annotation in Spring Boot?
21. What is the use of the @ConfigurationProperties annotation in Spring Boot?
22. Which dependency is used to configure Spring Security in Spring Boot?
23. How does Spring Boot support database migrations?
24. What is the default scope of a Spring bean in Spring Boot?
25. What is the use of the @Service annotation in Spring Boot?
26. What is the role of the spring-boot-starter-actuator dependency?
27. How can you specify profile-specific configuration in Spring Boot?
28. What is the purpose of the @Scheduled annotation in Spring Boot?
29. How does Spring Boot simplify database access?
30. What is the use of @RequestBody annotation in a Spring Boot controller?
31. How are static resources served in a Spring Boot web application?
32. What is the use of the @Query annotation in Spring Data JPA?
33. What is the purpose of the @EnableAutoConfiguration annotation in Spring Boot
34. How to secure REST endpoints in Spring Boot?
35. What is the purpose of the @JsonBackReference and @JsonManagedReference annotations in Spring Boot?
36. What is the use of the @CrossOrigin annotation in a Spring Boot application?
37. In Spring Boot, how can you externalize configuration?
38. What is the purpose of the @PathVariable annotation in Spring Boot?
39. Which component is responsible for handling view resolution in a Spring Boot web application?
40. How can you enable transaction management in a Spring Boot application?
41. What is the primary use of the @Repository annotation in Spring Boot?
42. What is the purpose of the spring-boot-starter-jdbc dependency in Spring Boot.
43. What is the purpose of the spring-boot-starter-aop dependency?
44. What is the primary role of the spring-boot-starter-cache dependency?
45. How can you handle exceptions globally in a Spring Boot application?
46. What is the main purpose of the @EnableJpaRepositories annotation in Spring Boot?
47. What is the role of the @Valid annotation in Spring Boot?
48. How to implement internationalization (i18n) in Spring Boot?
49. What is the use of @ModelAttribute annotation in a Spring Boot web application?
50. Which starter dependency is used for developing web applications with Thymeleaf templates in Spring Boot?
51. How does Spring Boot support the creation of JMS (Java Message Service) applications?
52. What is the use of @JsonInclude annotation in Spring Boot?
53. What is the role of the @Profile annotation in Spring Boot?
54. How does Spring Boot handle logging?
55. What is the use of spring-boot-starter-data-mongodb dependency?
56. In Spring Boot, how is a bean defined?
57. What is the role of the @RequestParam annotation in a Spring Boot web application?
58. In Spring Boot, what is the purpose of the @EnableCaching annotation?
59. What is the primary use of the @JsonView annotation in Spring Boot?
60. What is the role of the spring-boot-starter-websocket dependency?
61. In Spring Boot, which annotation is used to create asynchronous methods?
62. What is the primary purpose of the @EnableJpaAuditing annotation in Spring Boot?
63. How does Spring Boot support OAuth2 for securing applications?
64. In Spring Boot, what is the purpose of the @ExceptionHandler annotation?
65. What is the primary use of the @Transactional annotation in Spring Boot?
66. How does Spring Boot simplify the deployment of web applications?
67. What is the use of @RestController in Spring Boot
68. How does Spring Boot simplify the development of web applications?
69. What is the use of @RequestMapping annotation in Spring Boot?
70. What is the use of @ResponseBody annotation in a Spring Boot controller?
71. In Spring Boot, how can you handle exceptions globally?
72. How does Spring Boot support form handling in web applications?
73. How can you define custom error pages in a Spring Boot web application?
74. What is the use of @RestControllerAdvice annotation in Spring Boot?
75. How can you define custom HTTP error codes in a Spring Boot application?
76. What is the use of @JsonIgnore annotation in Spring Boot?
77. In Spring Boot, how can you customize the default JSON serializer?
78. How can you serve a dynamic HTML content in a Spring Boot application?
79. Which Spring Boot starter dependency is used for JPA integrations?
80. How does Spring Boot automatically configure a DataSource?
81. Which Spring Boot starter is used for integrating the MongoDB NoSQL database?
82. In Spring Boot, how can you access the H2 database's web console in development?
83. In Spring Boot, which annotation is used to define SQL queries in repository interfaces?
84. How can you define a JPA repository in Spring Boot?
85. What is the role of the JpaRepository interface in Spring Boot?
86. Which Spring Boot starter is used for integrating the Elasticsearch NoSQL database?
87. What is the purpose of the @GeneratedValue annotation in a JPA entity?
88. How does Spring Boot support Redis caching?
89. What is the use of MongoRepository interface in Spring Boot?
90. How to enable automatic schema generation for JPA entities in Spring Boot?
91. What is the use of @Table annotation in a JPA entity?
92. Which Spring Boot starter is used for integrating Apache Cassandra?
93. What is the primary use of the @ManyToOne annotation in JPA?
94. How can you define custom query methods in a Spring Data repository?
95. What is the use of @OneToOne annotation in JPA?
96. What is the primary use of the @OneToMany annotation in JPA?
97. What is the role of the @Version annotation in a JPA entity?
98. How does Spring Boot simplify the integration with Apache Kafka?
99. What is the use of @Lob annotation in a JPA entity?
100. How does Spring Boot support reactive data access?
101. In Spring Boot, which annotation is used for declarative transaction management?