Quiz for Spring Core

Q1: What is the core concept of Spring Framework?

A. Aspect-Oriented Programming B. Dependency Injection C. MVC Architecture D. Event Handling

Q2: Which interface is implemented by classes that need to release resources on shutdown?

A. DisposableBean B. InitializingBean C. BeanFactoryAware D. BeanPostProcessor

Q3: Which file is used to define beans in Spring XML configuration?

A. spring-boot.xml B. beans.xml C. context.xml D. applicationContext.xml

Q4: Which annotation is used to mark a class as a Spring component?

A. @Bean B. @Service C. @Component D. @Inject

Q5: Which container is the core of Spring’s DI feature?

A. BeanFactory B. ApplicationContext C. WebApplicationContext D. ServletContext

Q6: Which annotation is used for constructor-based injection in Spring?

A. @Autowired B. @Inject C. @Value D. @Qualifier

Q7: Which lifecycle method is called after bean initialization?

A. init() B. @PostConstruct C. afterInit() D. @InitMethod

Q8: What is the purpose of @Qualifier annotation?

A. Define a bean B. Set bean scope C. Resolve bean conflicts D. Initialize a bean

Q9: Which Spring interface is used to load bean definitions?

A. BeanFactory B. BeanDefinitionReader C. ApplicationContext D. ResourceLoader

Q10: What does IoC stand for in Spring context?

A. Integration of Components B. Injection of Configuration C. Inversion of Control D. Instance of Class

Q11: What is the default scope of a Spring bean?

A. Singleton B. Prototype C. Request D. Session

Q12: Which annotation is used to manually define a bean?

A. @Bean B. @Component C. @Configurable D. @Service

Q13: Which configuration is valid in Spring?

A. XML B. Java Annotation C. Java Config D. All of the above

Q14: What is the use of ApplicationContext in Spring?

A. To access servlet context B. To load and manage beans C. To control logging D. To manage database

Q15: Which scope creates a new bean instance every time?

A. Singleton B. Prototype C. Request D. Session

Q16: How to define a primary bean among multiple beans?

A. Use @Bean B. Use @Primary C. Use @Qualifier("primary") D. Use @Autowired

Q17: Which annotation is used to scan components automatically?

A. @EnableAutoConfiguration B. @ComponentScan C. @Scan D. @SpringBootApplication

Q18: Which annotation is used to specify bean initialization method?

A. @Init B. @PostConstruct C. @Bean(initMethod) D. @Bean(start)

Q19: Which Spring annotation creates a configuration class?

A. @SpringConfig B. @Configuration C. @SpringBean D. @Config

Q20: Which annotation can be used to inject values from properties files?

A. @Inject B. @Autowired C. @Value D. @Property