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 is correct definition of model in MVC architecture?

A - The lowest level of the pattern which is responsible for maintaining data.

B - This is responsible for displaying all or a portion of the data to the user.

C - Software Code that controls the interactions between the Model and View.

D - None of the above.

Answer : A

Explanation

Model - The lowest level of the pattern which is responsible for maintaining data.

Q 2 - Which of the following is correct?

A - The Action class manages the application's state.

B - The Result Type manages the view.

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 - What are the Struts2 error message keys that can come during file uploading process?

A - struts.messages.error.uploading

B - struts.messages.error.file.too.large

C - struts.messages.error.content.type.not.allowed

D - All of the above.

Answer : D

Explanation

All of the above are Struts2 error message keys that can come during file uploading process.

Q 5 - Which of the following theme is the default theme used by Struts 2?

Answer : B

Explanation

xhtml theme - This is the default theme used by Struts 2 and provides all the basics that the simple theme provides and adds several features like standard two-column table layout for the HTML, Labels for each of the HTML, Validation and error reporting etc.

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

A - This annotation checks that a double field has a value within a specified range.

B - This annotation checks that a field is a valid e-mail address if it contains a non-empty String.

C - This annotation validates a supplied regular expression.

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

Answer : B

Explanation

This validation annotation checks that a field is a valid e-mail address if it contains a non-empty String.

Q 7 - What is the purpose of @UrlValidator annotation?

A - This annotation checks that a field is a valid URL.

B - This annotation checks that a field is non-null.

C - This annotation checks that a String field is not empty

D - This annotation checks that a String field is of the right length.

Answer : A

Explanation

This validator checks that a field is a valid URL.

Q 8 - Which of the following tag generates an iterator based on the val attribute supplied?

Answer : A

Explanation

These generator tag generates an iterator based on the val attribute supplied.

Q 9 - Which of the following tag assigns a value to a variable in a specified scope?

Answer : A

Explanation

The set tag assigns a value to a variable in a specified scope. It is useful when you wish to assign a variable to a complex expression and then simply reference that variable each time rather than the complex expression. The scopes available are application, session, request, page and action.

Q 10 - Struts2 has a great support for multiple view options.

A - false

B - true

Answer : B

Explanation

Struts2 has a great support for multiple view options (JSP, Freemarker, Velocity and XSLT).

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