Java Spring Basics MCQ Questions with Answers (Latest 2026)

Q1. Which option best describes Spring Framework in Java?

A. A web server only. B. A pure ORM only. C. Java framework providing DI, AOP, and integrations. D. A database engine.

Select an answer to check.

Answer: Java framework providing DI, AOP, and integrations.

Here, Java framework providing DI, AOP, and integrations. is the right choice. Foundation for Spring Boot. It aligns directly with what the question asks about which option best describes spring framework in java. A quick elimination of partially true options helps confirm it.

Q2. What is the primary purpose of Spring Framework?

A. A web server only. B. Java framework providing DI, AOP, and integrations. C. A database engine. D. A pure ORM only.

Select an answer to check.

Answer: Java framework providing DI, AOP, and integrations.

In this case, Java framework providing DI, AOP, and integrations. is correct. Foundation for Spring Boot. It aligns directly with what the question asks about what is the primary purpose of spring framework. A quick elimination of partially true options helps confirm it.

Q3. Which statement about Spring Framework is most accurate?

A. A database engine. B. A pure ORM only. C. A web server only. D. Java framework providing DI, AOP, and integrations.

Select an answer to check.

Answer: Java framework providing DI, AOP, and integrations.

The best option here is Java framework providing DI, AOP, and integrations.. Foundation for Spring Boot. It aligns directly with what the question asks about which statement about spring framework is most accurate. A quick elimination of partially true options helps confirm it.

Q4. How is Spring Framework best characterized?

A. A pure ORM only. B. Java framework providing DI, AOP, and integrations. C. A web server only. D. A database engine.

Select an answer to check.

Answer: Java framework providing DI, AOP, and integrations.

For this question, Java framework providing DI, AOP, and integrations. is correct. Foundation for Spring Boot. It aligns directly with what the question asks about how is spring framework best characterized. A quick elimination of partially true options helps confirm it.

Q5. Which option best describes Spring Boot in Java?

A. A pure ORM. B. A standalone build tool. C. A messaging broker. D. Opinionated, auto-configuring Spring application.

Select an answer to check.

Answer: Opinionated, auto-configuring Spring application.

Opinionated, auto-configuring Spring application. is the correct answer here. Convention over configuration. It aligns directly with what the question asks about which option best describes spring boot in java. A quick elimination of partially true options helps confirm it.

Q6. What is the primary purpose of Spring Boot?

A. A messaging broker. B. Opinionated, auto-configuring Spring application. C. A pure ORM. D. A standalone build tool.

Select an answer to check.

Answer: Opinionated, auto-configuring Spring application.

Here, Opinionated, auto-configuring Spring application. is the right choice. Convention over configuration. This matches the core idea being tested around what is the primary purpose of spring boot. A quick elimination of partially true options helps confirm it.

Q7. Which statement about Spring Boot is most accurate?

A. A messaging broker. B. A standalone build tool. C. A pure ORM. D. Opinionated, auto-configuring Spring application.

Select an answer to check.

Answer: Opinionated, auto-configuring Spring application.

In this case, Opinionated, auto-configuring Spring application. is correct. Convention over configuration. This matches the core idea being tested around which statement about spring boot is most accurate. A quick elimination of partially true options helps confirm it.

Q8. How is Spring Boot best characterized?

A. A messaging broker. B. Opinionated, auto-configuring Spring application. C. A pure ORM. D. A standalone build tool.

Select an answer to check.

Answer: Opinionated, auto-configuring Spring application.

The best option here is Opinionated, auto-configuring Spring application.. Convention over configuration. This matches the core idea being tested around how is spring boot best characterized. A quick elimination of partially true options helps confirm it.

Q9. Which option best describes the IoC container in Java?

A. A pure factory only. B. Manages bean lifecycle and dependencies. C. A logging system. D. A view engine.

Select an answer to check.

Answer: Manages bean lifecycle and dependencies.

For this question, Manages bean lifecycle and dependencies. is correct. ApplicationContext is common. This matches the core idea being tested around which option best describes the ioc container in. A quick elimination of partially true options helps confirm it.

Q10. What is the primary purpose of the IoC container?

A. A pure factory only. B. Manages bean lifecycle and dependencies. C. A view engine. D. A logging system.

Select an answer to check.

Answer: Manages bean lifecycle and dependencies.

Manages bean lifecycle and dependencies. is the correct answer here. ApplicationContext is common. This matches the core idea being tested around what is the primary purpose of the ioc. A quick elimination of partially true options helps confirm it.

Q11. Which statement about the IoC container is most accurate?

A. A pure factory only. B. Manages bean lifecycle and dependencies. C. A view engine. D. A logging system.

Select an answer to check.

Answer: Manages bean lifecycle and dependencies.

Here, Manages bean lifecycle and dependencies. is the right choice. ApplicationContext is common. That is exactly the concept behind which statement about the ioc container is most in this context. A quick elimination of partially true options helps confirm it.

Q12. How is the IoC container best characterized?

A. A logging system. B. Manages bean lifecycle and dependencies. C. A pure factory only. D. A view engine.

Select an answer to check.

Answer: Manages bean lifecycle and dependencies.

In this case, Manages bean lifecycle and dependencies. is correct. ApplicationContext is common. That is exactly the concept behind how is the ioc container best characterized in this context. A quick elimination of partially true options helps confirm it.

Q13. Which option best describes @Component in Java?

A. A test annotation. B. A web mapping. C. Marks a class as a managed bean. D. A persistence annotation.

Select an answer to check.

Answer: Marks a class as a managed bean.

The best option here is Marks a class as a managed bean.. Picked up by component scanning. That is exactly the concept behind which option best describes @component in java in this context. A quick elimination of partially true options helps confirm it.

Q14. What is the primary purpose of @Component?

A. A web mapping. B. A test annotation. C. Marks a class as a managed bean. D. A persistence annotation.

Select an answer to check.

Answer: Marks a class as a managed bean.

For this question, Marks a class as a managed bean. is correct. Picked up by component scanning. That is exactly the concept behind what is the primary purpose of @component in this context. A quick elimination of partially true options helps confirm it.

Q15. Which statement about @Component is most accurate?

A. A persistence annotation. B. A test annotation. C. Marks a class as a managed bean. D. A web mapping.

Select an answer to check.

Answer: Marks a class as a managed bean.

Marks a class as a managed bean. is the correct answer here. Picked up by component scanning. That is exactly the concept behind which statement about @component is most accurate in this context. A quick elimination of partially true options helps confirm it.

Q16. How is @Component best characterized?

A. A web mapping. B. A persistence annotation. C. A test annotation. D. Marks a class as a managed bean.

Select an answer to check.

Answer: Marks a class as a managed bean.

Here, Marks a class as a managed bean. is the right choice. Picked up by component scanning. It fits the requirement in the prompt about how is @component best characterized. A quick elimination of partially true options helps confirm it.

Q17. Which option best describes @Service in Java?

A. A persistence annotation. B. A test annotation. C. A controller annotation. D. Specialization of @Component for service classes.

Select an answer to check.

Answer: Specialization of @Component for service classes.

In this case, Specialization of @Component for service classes. is correct. Same lifecycle as @Component. It fits the requirement in the prompt about which option best describes @service in java. A quick elimination of partially true options helps confirm it.

Q18. What is the primary purpose of @Service?

A. Specialization of @Component for service classes. B. A test annotation. C. A controller annotation. D. A persistence annotation.

Select an answer to check.

Answer: Specialization of @Component for service classes.

The best option here is Specialization of @Component for service classes.. Same lifecycle as @Component. It fits the requirement in the prompt about what is the primary purpose of @service. A quick elimination of partially true options helps confirm it.

Q19. Which statement about @Service is most accurate?

A. Specialization of @Component for service classes. B. A persistence annotation. C. A controller annotation. D. A test annotation.

Select an answer to check.

Answer: Specialization of @Component for service classes.

For this question, Specialization of @Component for service classes. is correct. Same lifecycle as @Component. It fits the requirement in the prompt about which statement about @service is most accurate. A quick elimination of partially true options helps confirm it.

Q20. How is @Service best characterized?

A. A persistence annotation. B. A test annotation. C. Specialization of @Component for service classes. D. A controller annotation.

Select an answer to check.

Answer: Specialization of @Component for service classes.

Specialization of @Component for service classes. is the correct answer here. Same lifecycle as @Component. It fits the requirement in the prompt about how is @service best characterized. A quick elimination of partially true options helps confirm it.

Q21. Which option best describes @Repository in Java?

A. Component for data-access classes. B. A controller. C. A configuration. D. A test class.

Select an answer to check.

Answer: Component for data-access classes.

Here, Component for data-access classes. is the right choice. Translates persistence exceptions. This is the most accurate statement for which option best describes @repository in java. A quick elimination of partially true options helps confirm it.

Q22. What is the primary purpose of @Repository?

A. A configuration. B. A controller. C. Component for data-access classes. D. A test class.

Select an answer to check.

Answer: Component for data-access classes.

In this case, Component for data-access classes. is correct. Translates persistence exceptions. This is the most accurate statement for what is the primary purpose of @repository. A quick elimination of partially true options helps confirm it.

Q23. Which statement about @Repository is most accurate?

A. A controller. B. A configuration. C. A test class. D. Component for data-access classes.

Select an answer to check.

Answer: Component for data-access classes.

The best option here is Component for data-access classes.. Translates persistence exceptions. This is the most accurate statement for which statement about @repository is most accurate. A quick elimination of partially true options helps confirm it.

Q24. How is @Repository best characterized?

A. A test class. B. A configuration. C. Component for data-access classes. D. A controller.

Select an answer to check.

Answer: Component for data-access classes.

For this question, Component for data-access classes. is correct. Translates persistence exceptions. This is the most accurate statement for how is @repository best characterized. A quick elimination of partially true options helps confirm it.

Q25. Which option best describes @Controller / @RestController in Java?

A. Web/REST endpoint classes. B. A configuration. C. A persistence class. D. A test class.

Select an answer to check.

Answer: Web/REST endpoint classes.

Web/REST endpoint classes. is the correct answer here. Mapped via @RequestMapping. This is the most accurate statement for which option best describes @controller / @restcontroller in. A quick elimination of partially true options helps confirm it.

Q26. What is the primary purpose of @Controller / @RestController?

A. Web/REST endpoint classes. B. A test class. C. A configuration. D. A persistence class.

Select an answer to check.

Answer: Web/REST endpoint classes.

Here, Web/REST endpoint classes. is the right choice. Mapped via @RequestMapping. It aligns directly with what the question asks about what is the primary purpose of @controller /. The other options are either incomplete or contextually incorrect.

Q27. Which statement about @Controller / @RestController is most accurate?

A. A test class. B. A configuration. C. Web/REST endpoint classes. D. A persistence class.

Select an answer to check.

Answer: Web/REST endpoint classes.

In this case, Web/REST endpoint classes. is correct. Mapped via @RequestMapping. It aligns directly with what the question asks about which statement about @controller / @restcontroller is most. The other options are either incomplete or contextually incorrect.

Q28. How is @Controller / @RestController best characterized?

A. A test class. B. A configuration. C. A persistence class. D. Web/REST endpoint classes.

Select an answer to check.

Answer: Web/REST endpoint classes.

The best option here is Web/REST endpoint classes.. Mapped via @RequestMapping. It aligns directly with what the question asks about how is @controller / @restcontroller best characterized. The other options are either incomplete or contextually incorrect.

Q29. Which option best describes @Autowired in Java?

A. Inject a bean by type. B. Manually new() everywhere. C. A pure annotation processor. D. An ORM mapping.

Select an answer to check.

Answer: Inject a bean by type.

For this question, Inject a bean by type. is correct. Constructor injection preferred. It aligns directly with what the question asks about which option best describes @autowired in java. The other options are either incomplete or contextually incorrect.

Q30. What is the primary purpose of @Autowired?

A. A pure annotation processor. B. Manually new() everywhere. C. Inject a bean by type. D. An ORM mapping.

Select an answer to check.

Answer: Inject a bean by type.

Inject a bean by type. is the correct answer here. Constructor injection preferred. It aligns directly with what the question asks about what is the primary purpose of @autowired. The other options are either incomplete or contextually incorrect.

Q31. Which statement about @Autowired is most accurate?

A. A pure annotation processor. B. Inject a bean by type. C. An ORM mapping. D. Manually new() everywhere.

Select an answer to check.

Answer: Inject a bean by type.

Here, Inject a bean by type. is the right choice. Constructor injection preferred. This matches the core idea being tested around which statement about @autowired is most accurate. The other options are either incomplete or contextually incorrect.

Q32. How is @Autowired best characterized?

A. A pure annotation processor. B. An ORM mapping. C. Inject a bean by type. D. Manually new() everywhere.

Select an answer to check.

Answer: Inject a bean by type.

In this case, Inject a bean by type. is correct. Constructor injection preferred. This matches the core idea being tested around how is @autowired best characterized. The other options are either incomplete or contextually incorrect.

Q33. Which option best describes constructor injection in Java?

A. Pure setter injection. B. Pure static injection. C. Pass dependencies via constructor. D. Pure field injection.

Select an answer to check.

Answer: Pass dependencies via constructor.

The best option here is Pass dependencies via constructor.. Encouraged for testability. This matches the core idea being tested around which option best describes constructor injection in java. The other options are either incomplete or contextually incorrect.

Q34. What is the primary purpose of constructor injection?

A. Pure field injection. B. Pure static injection. C. Pass dependencies via constructor. D. Pure setter injection.

Select an answer to check.

Answer: Pass dependencies via constructor.

For this question, Pass dependencies via constructor. is correct. Encouraged for testability. This matches the core idea being tested around what is the primary purpose of constructor injection. The other options are either incomplete or contextually incorrect.

Q35. Which statement about constructor injection is most accurate?

A. Pure static injection. B. Pure setter injection. C. Pure field injection. D. Pass dependencies via constructor.

Select an answer to check.

Answer: Pass dependencies via constructor.

Pass dependencies via constructor. is the correct answer here. Encouraged for testability. This matches the core idea being tested around which statement about constructor injection is most accurate. The other options are either incomplete or contextually incorrect.

Q36. How is constructor injection best characterized?

A. Pure setter injection. B. Pure field injection. C. Pass dependencies via constructor. D. Pure static injection.

Select an answer to check.

Answer: Pass dependencies via constructor.

Here, Pass dependencies via constructor. is the right choice. Encouraged for testability. That is exactly the concept behind how is constructor injection best characterized in this context. The other options are either incomplete or contextually incorrect.

Q37. Which option best describes @Configuration / @Bean in Java?

A. A test class. B. A persistence config. C. Java config defining beans. D. A view template.

Select an answer to check.

Answer: Java config defining beans.

In this case, Java config defining beans. is correct. Replaces XML config. That is exactly the concept behind which option best describes @configuration / @bean in in this context. The other options are either incomplete or contextually incorrect.

Q38. What is the primary purpose of @Configuration / @Bean?

A. A test class. B. A persistence config. C. A view template. D. Java config defining beans.

Select an answer to check.

Answer: Java config defining beans.

The best option here is Java config defining beans.. Replaces XML config. That is exactly the concept behind what is the primary purpose of @configuration / in this context. The other options are either incomplete or contextually incorrect.

Q39. Which statement about @Configuration / @Bean is most accurate?

A. Java config defining beans. B. A view template. C. A test class. D. A persistence config.

Select an answer to check.

Answer: Java config defining beans.

For this question, Java config defining beans. is correct. Replaces XML config. That is exactly the concept behind which statement about @configuration / @bean is most in this context. The other options are either incomplete or contextually incorrect.

Q40. How is @Configuration / @Bean best characterized?

A. A test class. B. A view template. C. A persistence config. D. Java config defining beans.

Select an answer to check.

Answer: Java config defining beans.

Java config defining beans. is the correct answer here. Replaces XML config. That is exactly the concept behind how is @configuration / @bean best characterized in this context. The other options are either incomplete or contextually incorrect.

Q41. Which option best describes @ComponentScan in Java?

A. A controller mapping. B. Scans packages for components. C. A persistence annotation. D. A test runner.

Select an answer to check.

Answer: Scans packages for components.

Here, Scans packages for components. is the right choice. Default scan from main class package. It fits the requirement in the prompt about which option best describes @componentscan in java. The other options are either incomplete or contextually incorrect.

Q42. What is the primary purpose of @ComponentScan?

A. A test runner. B. A persistence annotation. C. Scans packages for components. D. A controller mapping.

Select an answer to check.

Answer: Scans packages for components.

In this case, Scans packages for components. is correct. Default scan from main class package. It fits the requirement in the prompt about what is the primary purpose of @componentscan. The other options are either incomplete or contextually incorrect.

Q43. Which statement about @ComponentScan is most accurate?

A. Scans packages for components. B. A controller mapping. C. A persistence annotation. D. A test runner.

Select an answer to check.

Answer: Scans packages for components.

The best option here is Scans packages for components.. Default scan from main class package. It fits the requirement in the prompt about which statement about @componentscan is most accurate. The other options are either incomplete or contextually incorrect.

Q44. How is @ComponentScan best characterized?

A. A test runner. B. A persistence annotation. C. A controller mapping. D. Scans packages for components.

Select an answer to check.

Answer: Scans packages for components.

For this question, Scans packages for components. is correct. Default scan from main class package. It fits the requirement in the prompt about how is @componentscan best characterized. The other options are either incomplete or contextually incorrect.

Q45. Which option best describes @Value in Java?

A. Inject property values. B. A persistence annotation. C. A bean definition. D. A controller mapping.

Select an answer to check.

Answer: Inject property values.

Inject property values. is the correct answer here. Reads from environment/config. It fits the requirement in the prompt about which option best describes @value in java. The other options are either incomplete or contextually incorrect.

Q46. What is the primary purpose of @Value?

A. A bean definition. B. A persistence annotation. C. Inject property values. D. A controller mapping.

Select an answer to check.

Answer: Inject property values.

Here, Inject property values. is the right choice. Reads from environment/config. This is the most accurate statement for what is the primary purpose of @value. The other options are either incomplete or contextually incorrect.

Q47. Which statement about @Value is most accurate?

A. A controller mapping. B. A bean definition. C. A persistence annotation. D. Inject property values.

Select an answer to check.

Answer: Inject property values.

In this case, Inject property values. is correct. Reads from environment/config. This is the most accurate statement for which statement about @value is most accurate. The other options are either incomplete or contextually incorrect.

Q48. How is @Value best characterized?

A. A controller mapping. B. A bean definition. C. A persistence annotation. D. Inject property values.

Select an answer to check.

Answer: Inject property values.

The best option here is Inject property values.. Reads from environment/config. This is the most accurate statement for how is @value best characterized. The other options are either incomplete or contextually incorrect.

Q49. Which option best describes application.properties / .yml in Java?

A. A controller mapping. B. Config files for app settings. C. A test resource only. D. A migration file.

Select an answer to check.

Answer: Config files for app settings.

For this question, Config files for app settings. is correct. Environment profiles supported. This is the most accurate statement for which option best describes application.properties / .yml in. The other options are either incomplete or contextually incorrect.

Q50. What is the primary purpose of application.properties / .yml?

A. Config files for app settings. B. A migration file. C. A controller mapping. D. A test resource only.

Select an answer to check.

Answer: Config files for app settings.

Config files for app settings. is the correct answer here. Environment profiles supported. This is the most accurate statement for what is the primary purpose of application.properties /. The other options are either incomplete or contextually incorrect.