Spring MVC (Optional)

Practice 71 Spring MVC (Optional) interview questions with detailed answers. Part of the Spring track on Java Interview Hub.

• What is Spring MVC?
• What are the core components of Spring MVC?
• Describe the lifecycle of a Spring MVC request.
• What role does the DispatcherServlet play in this lifecycle?
• How are different components like controllers and view resolvers integrated during a request?
• Can you explain the role of the WebApplicationContext?
• How do you configure Spring MVC in a web application?
• What is the role of the web.xml file or Java Config in setting up Spring MVC?
• Can you describe how to set up a Spring MVC application without using web.xml?
• How do servlets and listeners contribute to the configuration?
• Explain the purpose of the @RequestMapping annotation.
• How can you define method-level mappings within a controller?
• What are the attributes available in @RequestMapping?
• How does @RequestMapping handle different types of HTTP requests?
• What are the differences between @Controller and @RestController annotations?
• In what scenarios would you use @RestController over @Controller?
• How does the response handling differ between these two annotations?
• What are the implications of using @RestController for data serialization?
• How do you manage form data in Spring MVC?
• How can you handle form submission in Spring MVC?
• What is the role of the @ModelAttribute annotation?
• Can you describe form validation in Spring MVC?
• What is ViewResolver in Spring MVC and how does it work?
• Can you list different types of ViewResolvers used in Spring MVC?
• How does the InternalResourceViewResolver function?
• What are the advantages of using a ContentNegotiatingViewResolver?
• How are interceptors used in Spring MVC?
• What are the methods in the HandlerInterceptor interface?
• How can you configure an interceptor to be applied globally?
• What is the difference between a Spring MVC interceptor and a web filter?
• Discuss exception handling in Spring MVC.
• How can you configure a global exception handler using @ControllerAdvice?
• What is the use of @ExceptionHandler?
• How does Spring MVC differentiate between different types of exceptions?
• What are the options for implementing security in a Spring MVC application?
• How does Spring Security integrate with Spring MVC?
• What are the common challenges when securing a Spring MVC application?
• Can you describe the configuration steps necessary for method-level security?
• Explain the concept of dependency injection in the context of Spring MVC.
• How does Spring MVC utilize dependency injection with controllers?
• What types of dependency injection are supported?
• What are the benefits of using dependency injection in web applications?
• How does Spring MVC support data binding?
• What is the role of the @RequestParam annotation?
• How can you customize data binding for complex objects?
• What are the challenges associated with data binding and how can they be addressed?
• Explain how you can handle static resources in Spring MVC.
• How can you configure Spring MVC to serve static files like CSS, JavaScript, or images?
• What are the implications of resource handling for application performance?
• How does Spring manage resources differently in a web application context?
• What is the role of @PathVariable in Spring MVC?
• How can you extract values from a URL using @PathVariable?
• What are the considerations when using @PathVariable in terms of URL design?
• How does @PathVariable interact with other request mappings?
• How does Spring MVC use LocaleResolver?
• Can you provide an example of changing languages dynamically on the frontend?
• Discuss the use of Web MVC annotations like @SessionAttributes and @CookieValue.
• What are the security considerations when using @SessionAttributes and @CookieValue annotations?
• How do you test Spring MVC applications?
• What frameworks are used for testing Spring MVC components?
• How can you mock Spring MVC dependencies for unit testing?
• What are the best practices for integration testing in Spring MVC?
• Explain how Spring MVC supports file upload.
• What configurations are needed to enable file uploads in a Spring MVC application?
• How can you handle file upload in a controller?
• What are the common issues faced during file uploads and their solutions?
• How can Spring MVC be integrated with other technologies like JPA or WebSocket?
• What are some advanced features or techniques in Spring MVC that are useful for high-traffic applications?
• How can caching be implemented in Spring MVC?
• What are the strategies for asynchronous processing in Spring MVC?
• How can you scale a Spring MVC application horizontally?