MCQs on Spring Framework | Enterprise Java Framework
Spring Framework is a widely used enterprise Java framework that simplifies development and promotes good design principles. It supports Inversion of Control (IoC), Dependency Injection, Spring MVC, and Spring Boot, which are essential in modern Java development. Here are 30 MCQs covering the key concepts in the Spring Framework.
Introduction to Spring Framework
- What is the primary feature of the Spring Framework? a) Data processing
b) Dependency Injection
c) Data Visualization
d) Memory management - Which of the following is not part of the Spring Framework? a) Spring ORM
b) Spring AOP
c) Spring Boot
d) Spring JDBC - What does Spring provide to simplify enterprise application development? a) Database management
b) Built-in authentication system
c) Dependency Injection and Aspect-Oriented Programming
d) User Interface components - Spring Framework can be used for which of the following? a) Building only web applications
b) Only data processing applications
c) Building enterprise-grade applications
d) Building mobile applications - In which year was the Spring Framework first released? a) 1998
b) 2003
c) 2007
d) 2010
Inversion of Control (IoC)
- What is Inversion of Control (IoC) in the Spring Framework? a) The framework controls the flow of application logic
b) The application controls the flow of logic
c) The developer is responsible for all control flow
d) The flow is managed through servlet containers - What does IoC help in achieving? a) Decoupling components
b) Managing database connections
c) Logging application data
d) Connecting APIs - Which design pattern is used by Spring IoC to implement control inversion? a) Factory Pattern
b) Singleton Pattern
c) Proxy Pattern
d) Adapter Pattern - Which Spring container is used to implement IoC? a) ApplicationContext
b) BeanFactory
c) ContextFactory
d) SpringContext - How is IoC typically implemented in Spring? a) By using configuration files only
b) By using annotations only
c) By using both configuration files and annotations
d) By using XML only
Dependency Injection
- What is Dependency Injection in Spring? a) Injecting objects into Java classes manually
b) Providing dependencies to objects automatically at runtime
c) Injecting database queries into Java classes
d) Injecting user inputs into methods - Which of the following is the core benefit of Dependency Injection? a) Loose coupling between components
b) Better database management
c) Enhanced performance
d) Faster UI rendering - In Spring, which annotation is used for dependency injection? a) @Inject
b) @Autowired
c) @Bean
d) @Component - What are the types of dependency injection in Spring? a) Constructor injection and Setter injection
b) Constructor injection and Method injection
c) Setter injection and Property injection
d) Constructor injection and Property injection - Which annotation in Spring allows automatic injection of dependencies? a) @Inject
b) @Autowired
c) @Service
d) @Repository
Spring MVC and Spring Boot
- What is Spring MVC? a) A database management module
b) A web framework for building web applications
c) A cloud service
d) A security framework - Which of the following is a feature of Spring MVC? a) Provides an abstraction layer for web services
b) Uses the Model-View-Controller design pattern
c) Focuses solely on database transactions
d) Handles memory management for Java applications - What is Spring Boot used for? a) Building standalone applications with minimal configuration
b) Handling database queries
c) Managing network communication
d) Creating mobile applications - Which annotation is used to start a Spring Boot application? a) @SpringApplication
b) @SpringBootApplication
c) @BootStart
d) @ApplicationBoot - Which of the following is not a feature of Spring Boot? a) Auto-configuration
b) Embedded servers
c) Dependency management
d) Complex XML configuration
Advanced Spring Framework Concepts
- What is the purpose of Spring Boot’s embedded server? a) To enable server configuration manually
b) To simplify the deployment of applications by bundling the server
c) To provide a cloud-based infrastructure
d) To handle distributed transactions - What does Spring’s @Component annotation signify? a) It creates a database connection
b) It marks a class as a Spring-managed bean
c) It is used to configure the Spring context
d) It defines an external configuration file - Which of the following is used in Spring Boot to manage the configuration of applications? a) application.properties
b) beans.xml
c) applicationContext.xml
d) spring-boot-config.yml - What is the purpose of the Spring @RestController annotation? a) To manage HTTP requests in a web application
b) To configure the Spring application context
c) To manage database interactions
d) To handle security configurations - In Spring MVC, what is the role of a Controller? a) To handle requests and responses
b) To manage the database connection
c) To configure the UI components
d) To handle asynchronous processing
Spring Framework Annotations
- What does @RequestMapping in Spring MVC do? a) Maps HTTP requests to handler methods of MVC controllers
b) Maps a class to a view
c) Maps database queries to methods
d) Maps data inputs to methods - Which annotation is used to define a service layer in Spring? a) @Service
b) @Repository
c) @Controller
d) @Bean - What is the function of @Transactional annotation in Spring? a) To define the transaction boundaries for methods
b) To create database transactions manually
c) To enhance application security
d) To configure web services - How does Spring Boot manage application dependencies? a) By using dependency management tools like Maven or Gradle
b) By manually adding libraries to the project
c) By automatically updating libraries in the repository
d) By using external dependency services - Which of the following is a feature of Spring Boot’s auto-configuration? a) Automatically adjusts the application configuration based on classpath and beans
b) Requires full manual configuration
c) Does not support third-party libraries
d) Provides a fixed set of configuration values
Answers
| Qno | Answer |
|---|---|
| 1 | b) Dependency Injection |
| 2 | d) Spring JDBC |
| 3 | c) Dependency Injection and Aspect-Oriented Programming |
| 4 | c) Building enterprise-grade applications |
| 5 | b) 2003 |
| 6 | a) The framework controls the flow of application logic |
| 7 | a) Decoupling components |
| 8 | a) Factory Pattern |
| 9 | a) ApplicationContext |
| 10 | c) By using both configuration files and annotations |
| 11 | b) Providing dependencies to objects automatically at runtime |
| 12 | a) Loose coupling between components |
| 13 | b) @Autowired |
| 14 | a) Constructor injection and Setter injection |
| 15 | b) @Autowired |
| 16 | b) A web framework for building web applications |
| 17 | b) Uses the Model-View-Controller design pattern |
| 18 | a) Building standalone applications with minimal configuration |
| 19 | b) @SpringBootApplication |
| 20 | d) Complex XML configuration |
| 21 | b) To simplify the deployment of applications by bundling the server |
| 22 | b) It marks a class as a Spring-managed bean |
| 23 | a) application.properties |
| 24 | a) To manage HTTP requests in a web application |
| 25 | a) To handle requests and responses |
| 26 | a) Maps HTTP requests to handler methods of MVC controllers |
| 27 | a) @Service |
| 28 | a) To define the transaction boundaries for methods |
| 29 | a) By using dependency management tools like Maven or Gradle |
| 30 | a) Automatically adjusts the application configuration based on classpath and beans |