Struts2 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Struts2 Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Which of the following feature is present in Struts 2?

A - POJO forms and POJO actions

B - Tag support

C - AJAX support

D - All of the above.

Answer : D

Explanation

All of the above features are supported in Struts 2.

Q 2 - Which of the following is true about Interceptors?

A - Interceptors are conceptually the same as servlet filters or the JDKs Proxy class.

B - Interceptors allow for crosscutting functionality to be implemented separately from the action as well as the framework.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above statements are correct.

Q 3 - Which of the following is correct about FreeMaker result type?

A - It is used to forward to a servlet, JSP, HTML page, and so on, on the server. It uses the RequestDispatcher.forward() method.

B - It is used to generate output using predefined templates.

C - It calls the standard response.sendRedirect() method, causing the browser to create a new request to the given location.

D - None of the above.

Answer : B

Explanation

It is used to generate output using predefined templates.

Q 4 - Can you override the default error message that can come during file uploading process?

A - yes

B - no

Answer : A

Explanation

You can override the text of these messages in WebContent/WEB-INF/classes/messages.properties resource files.

Q 5 - Which class of struts is responsible to convert String to data types?

A - StrutsTypeConverter

B - StringTypeConverter

C - Both of the above.

D - None of the above.

Answer : A

Explanation

StrutsTypeConverter class tells Struts how to convert Environment to a String and vice versa by overriding two methods convertFromString() and convertToString().

Q 6 - What is the purpose of @BeforeResult annotation?

A - This annotation marks a action method that needs to be called before the main action method and the result was executed.

B - This annotation marks a action method that needs to be executed before the result.

C - This annotation checks if there are any conversion errors for a field and applies them if they exist.

D - This annotation checks that a date field has a value within a specified range.

Answer : B

Explanation

The @BeforeResult annotation marks a action method that needs to be executed before the result. Return value is ignored.

Q 7 - What is the purpose of @CreateIfNull Annotation?

A - This annotation sets the CreateIfNull for type conversion.

B - This annotation is used to nest several annotations of same type.

C - This annotation can be used for custom validators.

D - This annotation is a marker annotation for type conversions at Type level.

Answer : A

Explanation

This annotation sets the CreateIfNull for type conversion. The CreateIfNull annotation must be applied at field or method level.

Q 8 - Which of the following tag enables developers to call actions directly from a JSP page by specifying the action name and an optional namespace?

Answer : B

Explanation

The action tag enables developers to call actions directly from a JSP page by specifying the action name and an optional namespace. The body content of the tag is used to render the results from the Action.

Q 9 - Which of the following tag is used to create a URL?

Answer : C

Explanation

The url tag is used to create a URL.

Q 10 - The web.xml configuration file is a J2EE configuration file that determines how elements of the HTTP request are processed by the servlet container.

A - false

B - true

Answer : B

Explanation

The web.xml configuration file is a J2EE configuration file that determines how elements of the HTTP request are processed by the servlet container.

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