- What is Loose Coupling?
- What is a Dependency?
- What is IOC (Inversion of Control)?
- What is Dependency Injection?
- Can you give few examples of Dependency Injection?
- What is Auto Wiring?
- What are the important roles of an IOC Container?
- What are Bean Factory and Application Context?
- Can you compare Bean Factory with Application Context?
- How do you create an application context with Spring?
- How does Spring know where to search for Components or Beans?
- What is a Component Scan?
- How do you define a component scan in XML and Java Configurations?
- How is it done with Spring Boot?
- What does @Component signify?
- What does @Autowired signify?
- What’s the difference Between @Controller, @Component, @Repository, and @Service Annotations in Spring?
- What is the default scope of a bean?
- Are Spring beans thread safe?
- What are the other scopes available?
- How is Spring’s singleton bean different from Gang of Four Singleton Pattern?
- What are the different types of dependency injections?
- What is setter injection?
- What is constructor injection?
- How do you choose between setter and constructor injections?
- What are the different options available to create Application Contexts for Spring?
- What is the difference between XML and Java Configurations for Spring?
- How do you choose between XML and Java Configurations for Spring?
- How does Spring do Autowiring?
- What are the different kinds of matching used by Spring for Autowiring?
- How do you debug problems with Spring Framework?
- How do you solve NoUniqueBeanDefinitionException?
- How do you solve NoSuchBeanDefinitionException?
- What is @Primary?
- What is @Qualifier?
- What is CDI (Contexts and Dependency Injection)?
- Does Spring Support CDI?
- Would you recommed to use CDI or Spring Annotations?
- What are the major features in different versions of Spring?
- What are new features in Spring Framework 4.0?
- What are new features in Spring Framework 5.0?
- What are important Spring Modules?
- What are important Spring Projects?
- What is the simplest way of ensuring that we are using single version of all Spring related dependencies?
- Name some of the design patterns used in Spring Framework?
- What do you think about Spring Framework?
- Why is Spring Popular?
- Can you give a big picture of the Spring Framework?
- What is Model 1 architecture?
- What is Model 2 architecture?
- What is Model 2 Front Controller architecture?
- Can you show an example controller method in Spring MVC?
- Can you explain a simple flow in Spring MVC?
- What is a ViewResolver?
- What is Model?
- What is ModelAndView?
- What is a RequestMapping?
- What is Dispatcher Servlet?
- How do you set up Dispatcher Servlet?
- What is a form backing object?
- How is validation done using Spring MVC?
- What is BindingResult?
- How do you map validation results to your view?
- What are Spring Form Tags?
- What is a Path Variable?
- What is a Model Attribute?
- What is a Session Attribute?
- What is a init binder?
- How do you set default date format with Spring?
- Why is Spring MVC so popular?
- What is Spring Boot?
- What are the important Goals of Spring Boot?
- What are the important Features of Spring Boot?
- Compare Spring Boot vs Spring?
- Compare Spring Boot vs Spring MVC?
- What is the importance of @SpringBootApplication?
- What is Auto Configuration?
- How can we find more information about Auto Configuration?
- What is an embedded server? Why is it important?
- What is the default embedded server with Spring Boot?
- What are the other embedded servers supported by Spring Boot?
- What are Starter Projects?
- Can you give examples of important starter projects?
- What is Starter Parent?
- What are the different things that are defined in Starter Parent?
- How does Spring Boot enforce common dependency management for all its Starter projects?
- What is Spring Initializr?
- What is application.properties?
- What are some of the important things that can customized in application.properties?
- How do you externalize configuration using Spring Boot?
- How can you add custom application properties using Spring Boot?
- What is @ConfigurationProperties?
- What is a profile?
- How do you define beans for a specific profile?
- How do you create application configuration for a specific profile?
- How do you have different configuration for different environments?
- What is Spring Boot Actuator?
- How do you monitor web services using Spring Boot Actuator?
- How do you find more information about your application envrionment using Spring Boot?
- What is a CommandLineRunner?
- What is Spring JDBC? How is different from JDBC?
- What is a JdbcTemplate?
- What is a RowMapper?
- What is JPA?
- What is Hibernate?
- How do you define an entity in JPA?
- What is an Entity Manager?
- What is a Persistence Context?
- How do you map relationships in JPA?
- What are the different types of relationships in JPA?
- How do you define One to One Mapping in JPA?
- How do you define One to Many Mapping in JPA?
- How do you define Many to Many Mapping in JPA?
- How do you define a datasource in a Spring Context?
- What is the use of persistence.xml
- How do you configure Entity Manager Factory and Transaction Manager?
- How do you define transaction management for Spring – Hibernate integration?
- What is Spring Data?
- What is the need for Spring Data?
- What is Spring Data JPA?
- What is a CrudRepository?
- What is a PagingAndSortingRepository?
- How does Spring Framework Make Unit Testing Easy?
- What is Mockito?
- What is your favorite mocking framework?
- How do you do mock data with Mockito?
- What are the different mocking annotations that you worked with?
- What is MockMvc?
- What is @WebMvcTest?
- What is @MockBean?
- How do you write a unit test with MockMVC?
- What is JSONAssert?
- How do you write an integration test with Spring Boot?
- What is @SpringBootTest?
- What is @LocalServerPort?
- What is TestRestTemplate?
- What are cross cutting concerns?
- How do you implement cross cutting concerns in a web application?
- If you would want to log every request to a web application, what are the options you can think of?
- If you would want to track performance of every request, what options can you think of?
- What is an Aspect and Pointcut in AOP?
- What are the different types of AOP advices?
- What is weaving?
- Compare Spring AOP vs AspectJ?
- What is a Web Service?
- What is SOAP Web Service?
- What is SOAP?
- Waht is a SOAP Envelope?
- What is SOAP Header and SOAP Body?
- Can you give an example of SOAP Request and SOAP Response?
- What is a SOAP Header? What kind of information is sent in a SOAP Header?
- Can you give an example of a SOAP Header with Authentication information?
- What is WSDL (Web Service Definition Language)?
- What are the different parts of a WSDL?
- What is Contract First Approach?
- What is an XSD?
- Can you give an example of an XSD?
- What is JAXB?
- How do you configure a JAXB Plugin?
- What is an Endpoint?
- Can you show an example endpoint written with Spring Web Services?
- What is a MessageDispatcherServlet?
- How do you configure a MessageDispatcherServlet?
- How do you generate a WSDL using Spring Web Services?
- How do you implement error handling for SOAP Web Services?
- What is a SOAP Fault?
- What is REST?
- What are the key concepts in designing RESTful API?
- What are the Best Practices of RESTful Services?
- Can you show the code for an example Get Resource method with Spring REST?
- What happens when we return a bean from a Request Mapping Method?
- What is GetMapping and what are the related methods available in Spring MVC?
- Can you show the code for an example Post Resource method with Spring REST?
- What is the appropriate HTTP Response Status for successful execution of a Resource Creation?
- Why do we use ResponseEntity in a RESTful Service?
- What is HATEOAS?
- Can you give an Example Response for HATEOAS?
- How do we implement it using Spring?
- How do you document RESTful web services?
- Can you give a brief idea about Swagger Documentation?
- How do you automate generation of Swagger Documentation from RESTful Web Services?
- How do you add custom information to Swagger Documentation generated from RESTful Web Services?
- What is Swagger- UI?
- What is "Representation" of a Resource?
- What is Content Negotiation?
- Which HTTP Header is used for Content Negotiation?
- How do we implement it using Spring Boot?
- How do you add XML support to your RESTful Services built with Spring Boot?
- How do you implement Exception Handling for RESTFul Web Services?
- What are the best practices related to Exception Handling with respect to RESTful Web Services?
- What are the different error status that you would return in RESTful Web Services?
- How would you implement them using Spring Boot?
- What HTTP Response Status do you return for validation errors?
- How do you handle Validation Errors with RESTful Web Services?
- Why do we need Versioning for RESTful Web Services?
- What are the versioning options that are available?
- How do you implement Versioning for RESTful Web Services?