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1.
What is the Spring Framework and what are its core features?
Answer:
Spring Fundamentals
- 2.
How do you create a simple Spring application?
Answer: - 3.
What is Inversion of Control (IoC)? How does Spring facilitate IoC?
Answer: - 4.
What is the ApplicationContext in Spring?
Answer: - 5.
Explain Dependency Injection and its types in the Spring context.
Answer: - 6.
What are Bean Scopes in Spring? Name them.
Answer: - 7.
How do you configure a bean in Spring?
Answer: - 8.
Describe the role of the Spring Core container.
Answer: - 9.
What is a Spring configuration file?
Answer: - 10.
How do you create an ApplicationContext in a Spring application?
Answer:
Spring AOP
- 11.
What is Aspect-Oriented Programming (AOP)?
Answer: - 12.
How does Spring support AOP?
Answer: - 13.
Can you explain a Pointcut and an Advice in Spring AOP?
Answer: - 14.
What is a Join Point in Spring AOP?
Answer: - 15.
What is the difference between a Concern and a Cross-cutting Concern in Spring AOP?
Answer: - 16.
Describe the different types of Advices in AOP.
Answer: - 17.
How do you implement AOP in Spring?
Answer: - 18.
What is the @Aspect annotation used for in Spring AOP?
Answer: - 19.
How would you enable AOP in a Spring application?
Answer:
Spring Data Access
- 20.
Describe how Spring interacts with databases.
Answer: - 21.
What is the DataAccessException class in Spring?
Answer: - 22.
Explain the Template design pattern as used in Spring.
Answer: - 23.
What is the Spring JDBC Template and how do you use it?
Answer: - 24.
How does Spring support transaction management?
Answer: - 25.
Can you explain Spring’s support for ORM frameworks?
Answer: - 26.
What are the key interfaces used for JDBC operations in Spring?
Answer:
Spring MVC
- 27.
What is the Spring MVC framework?
Answer: - 28.
Describe the architecture of a Spring MVC application.
Answer: - 29.
What are the roles of the @Controller and @RequestMapping annotations?
Answer: - 30.
Explain the DispatcherServlet and its functions.
Answer: - 31.
How do you handle web requests in Spring MVC?
Answer: - 32.
Can you discuss the Request-response lifecycle in a Spring MVC application?
Answer: - 33.
How do you validate user input in Spring MVC?
Answer: - 34.
What are the differences between @Controller and @RestController?
Answer:
Spring Boot
- 35.
What is Spring Boot and what are its advantages?
Answer: - 36.
How do you create a Spring Boot application?
Answer: - 37.
Explain Auto-Configuration in Spring Boot.
Answer: - 38.
What is a Spring Boot Starter?
Answer: - 39.
How does Spring Boot support data access?
Answer: - 40.
What is the embedded server concept in Spring Boot?
Answer: - 41.
Explain the role of the SpringApplication class.
Answer: - 42.
What properties file is used by default in Spring Boot?
Answer:
Spring Security
- 43.
What is Spring Security and why is it important?
Answer: - 44.
Explain how authentication and authorization work in Spring Security.
Answer: - 45.
How do you configure Spring Security in an application?
Answer: - 46.
What is a Principal in Spring Security?
Answer: - 47.
How do you secure Restful web services in Spring Security?
Answer: - 48.
Explain the importance of the @PreAuthorize annotation.
Answer: - 49.
What is the role of the WebSecurityConfigurerAdapter class?
Answer: - 50.
How do you handle CSRF protection in Spring Security?
Answer:
Spring with Microservices
- 51.
How is Spring used in building microservices?
Answer: - 52.
What is Spring Cloud?
Answer: - 53.
Explain the role of Eureka in Spring Cloud.
Answer: - 54.
How do you implement client-side load balancing with Spring Cloud?
Answer: - 55.
What are Spring Cloud Config and its use case?
Answer: - 56.
Can you explain the Circuit Breaker pattern in the context of Spring Cloud?
Answer: - 57.
What is a Spring Cloud Gateway?
Answer:
Spring Reactive Programming
- 58.
What is Reactive Programming and how does Spring support it?
Answer: - 59.
What is the WebFlux framework in Spring 5?
Answer: - 60.
Explain the back-pressure concept in reactive streams.
Answer: - 61.
How do you create a non-blocking REST API in Spring WebFlux?
Answer:
Spring Testing
- 62.
How do you perform unit testing in a Spring application?
Answer: - 63.
What role does Spring TestContext Framework play in testing?
Answer: - 64.
What is the @SpringBootTest annotation used for?
Answer: - 65.
How do you mock beans in a Spring context for testing?
Answer:
Advanced Spring
- 66.
How does Spring support internationalization (i18n)?
Answer: - 67.
Explain the concept of Spring Expression Language (SpEL).
Answer: - 68.
How do you schedule tasks in Spring?
Answer: - 69.
What is the difference between @Bean and @Component in Spring?
Answer: - 70.
Explain the difference between @Inject and @Autowired in Spring.
Answer:
Spring Best Practices
- 71.
What are some best practices for designing Spring applications?
Answer: - 72.
How do you handle exceptions in a Spring application?
Answer: - 73.
What are the practices for securing passwords in Spring?
Answer: - 74.
How can you improve the performance of a Spring-based web application?
Answer: - 75.
When should you use Aspect-Oriented Programming in Spring?
Answer:
Spring Integration and Batch Processing
- 76.
What is Spring Integration and where is it best applied?
Answer: - 77.
Explain the key components of Spring Batch and its use cases.
Answer: - 78.
How does Spring Integration differ from Spring Batch?
Answer: - 79.
What are endpoints in Spring Integration?
Answer: - 80.
Explain the concept of Chunk processing in Spring Batch.
Answer:
Spring Cloud Data Flow
- 81.
What is Spring Cloud Data Flow and its benefits for data-driven applications?
Answer: - 82.
How do you create custom processors in Spring Cloud Data Flow?
Answer: - 83.
Explain how Spring Cloud Data Flow handles stream processing.
Answer:
Spring and Messaging
- 84.
How does Spring integrate with message brokers?
Answer: - 85.
What is JMS (Java Message Service) and how does Spring provide support for it?
Answer: - 86.
Explain the role of the @KafkaListener annotation in Spring.
Answer: - 87.
How can you send and receive messages using AMQP in Spring?
Answer:
Spring Kafka
- 88.
What is Spring Kafka and how does it integrate with Apache Kafka?
Answer: - 89.
How do you manage transactions in Kafka with Spring?
Answer: - 90.
Explain the use of KafkaTemplate in Spring Kafka.
Answer:
Spring Caching
- 91.
How do you implement caching in a Spring application?
Answer: - 92.
What is the Cache Abstraction in Spring?
Answer: - 93.
Explain the differences between @CachePut, @CacheEvict, and @Cacheable annotations.
Answer:
Spring GraphQL
- 94.
How does Spring support building GraphQL APIs?
Answer: - 95.
What are the advantages of using GraphQL over REST in Spring?
Answer:
Spring Actuator and Monitoring
- 96.
What is the Spring Boot Actuator and its purposes?
Answer: - 97.
How do you expose custom metrics using Spring Boot Actuator?
Answer: - 98.
Describe how to secure Spring Boot Actuator endpoints.
Answer:
Spring Application Deployment and Management
- 99.
What considerations should be made when deploying a Spring Boot application in a containerized environment?
Answer: - 100.
How can you manage application profiles in a Spring Boot application?
Answer:
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