Spring MVC Multiple Choice Questions (MCQs) and Answers

Enable component scanning

Add a Validator bean and use @Valid

Use @Autowired in the Controller

Define a custom ViewResolver

model.addObject()

model.addAttribute()

request.getAttribute()

response.setAttribute()

@RequestParam("id", defaultValue="1")

@RequestParam(value="id", default="1")

@RequestParam(value="id", required=false)

@RequestParam("id")

Using multiple controller methods with @RequestMapping

Using @SessionAttributes

Using a single method with @ModelAttribute

Using @Component annotation

The controller method does not have @ModelAttribute

The form action URL is incorrect

The view is missing a submit button

The model object is not annotated with @Entity

Use a try-catch block

Use @RequestParam with required=false

Redirect to an error page

Use @RequestBody instead

The controller method is missing @Valid

The form has incorrect input types

The form is missing a submit button

The application is using an outdated Spring version

JSP

Thymeleaf

Freemarker

All of these

To map logical view names to actual view templates

To handle HTTP requests

To validate user input

To manage session attributes

JSP is an HTML-based template engine

Thymeleaf is a Spring-integrated template engine

JSP requires a servlet container to run

Both B and C

Thymeleaf can be used as a standalone template engine

Thymeleaf does not require a servlet container

JSP has better integration with Spring MVC

JSP has more security features

Using Model object

Using HttpSession

Using JavaScript

Using ModelAndView

${requestScope.value}

${sessionScope.value}

${value}

${param.value}

${model.attribute}

#{attribute}

${attribute}

@{attribute}

<a href='/home'>Home</a>

<a th:href='@{/home}'>Home</a>

<a th:ref='/home'>Home</a>

<a link='home'>Home</a>

jsp:import

jsp:include

jsp:forward

jsp:invoke

The EL syntax is incorrect

The view resolver is misconfigured

Expression Language (EL) is disabled

The controller is missing @RequestMapping

The controller is not returning a Model attribute

The view resolver is not configured

The template file is missing

The application is not deployed correctly

The template path is incorrect

The model attribute is missing

Thymeleaf dependency is missing

The database connection is incorrect

@RequestMapping

@ExceptionHandler

@ControllerAdvice

@RestController

To provide global exception handling for controllers

To handle security authentication

To resolve views

To inject dependencies

HandlerInterceptor

HandlerExceptionResolver

ControllerAdvice

DispatcherServlet

The request is forwarded to the default error page

Spring MVC returns a 500 error response

The request is silently ignored

The request is retried automatically

Using @ExceptionHandler methods

Defining a global exception handler with @ControllerAdvice

Throwing unchecked exceptions without handling

Implementing HandlerExceptionResolver

@ExceptionHandler(NullPointerException.class)

@ControllerAdvice(NullPointerException.class)

@ErrorHandler(NullPointerException.class)

@HandleException(NullPointerException.class)

Returning a String as a view name

Returning a ResponseEntity object

Throwing the exception again

Returning null

resolveException()

handleException()

processException()

mapException

Using @ExceptionHandler

Using @ErrorPage

Defining an entry in web.xml

Creating a Controller with an error endpoint

The controller does not have @ExceptionHandler

@ControllerAdvice is missing

The custom error page is not configured properly

The database is down

The method is missing @ExceptionHandler

The exception type does not match

The method is private

All of the above