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 true about struts-config.xml?

A - The struts-config.xml configuration file is a link between the View and Model components in the Web Client.

B - In form-beans section, you can map your ActionForm subclass to a name.

C - In global-forwards section you can map a page on your webapp to a name

D - All of the above.

Answer : D

Explanation

All 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 - In which of the following internationalization (i18n) support is present in Struts 2?

A - The UI Tags.

B - Messages and Errors.

C - Within action classes.

D - All of the above.

Answer : D

Explanation

Struts2 provides localization ie. internationalization (i18n) support through resource bundles, interceptors and tag libraries in all of the above places.

Q 5 - Which of the following theme provides all the basics that the simple theme provides and adds several features like standard two-column CSS-based layout?

Answer : C

Explanation

css_xhtml theme - This theme provides all the basics that the simple theme provides and adds several features like standard two-column CSS-based layout, using for the HTML Struts Tags, Labels for each of the HTML Struts Tags, placed according to the CSS stylesheet.

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

A - This annotation is a collection of results.

B - This annotation have the name that correspond to the outcome of the execute method.

C - This annotation is used to decorate the execute() method.

D - This annotation marks a action method that needs to be called after the main action method.

Answer : D

Explanation

The @After annotation marks a action method that needs to be called after the main action method and the result was executed. Return value is ignored.

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

A - This annotation validates a string field using a regular expression.

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

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 non-null. The annotation must be applied at method level.

Q 8 - Which of the following tag performs basic if-else conditional flow?

A - if and else tags.

B - iterator tags

C - merge tag

D - append tag

Answer : A

Explanation

These tags perform basic condition flow found in every language. 'If' tag could be used by itself or with 'Else If' Tag and/or single/multiple 'Else' Tag.

Q 9 - Which of the following tag is used to get the property of a value, which will default to the top of the stack if none is specified?