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 not a part of Struts architecture?

A - MDBs

B - Results / Result types

C - Value Stack / OGNL

D - View technologies

Answer : C

Explanation

MDBs are not a part of Struts architecture.

Q 2 - Which of the following is true about web.xml?

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

B - It is not strictly a Struts2 configuration file, but it is a file that needs to be configured for Struts2 to work.

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 redirect 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 : C

Explanation

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

Q 4 - What should be the name of xml file used for validation in struts?

A - '[action-class]'-validation.xml

B - validation.xml

C - Both of the above.

D - None of the above.

Answer : A

Explanation

The xml file needs to be named '[action-class]'-validation.xml.

Q 5 - Which of the following theme comes bundled with struts 2?

A - simple theme

B - xhtml theme

C - css_xhtml theme

D - All of the above.

Answer : D

Explanation

All of the above themes comes bundled with struts 2.

Q 6 - What is the purpose of @ConversionErrorFieldValidator 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 : C

Explanation

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

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 takes two or more lists as parameters and merge them all together?

A - if and else tags.

B - iterator tags

C - merge tag

D - append tag

Answer : C

Explanation

These merge tag take two or more lists as parameters and merge them all together.

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 - With Struts applications, there is a lot more going on behind the scenes than with normal Java-based Web applications.

A - true

B - false

Answer : A

Explanation

With Struts applications, there is a lot more going on behind the scenes than with normal Java-based Web applications.

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