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 view 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.
Answer : B
Explanation
View - This is responsible for displaying all or a portion of the data to the user.
Q 2 - Which of the following is true about struts.xml?
B - This file can be used to override default settings for an application.
C - This file can be created under the folder WEB-INF/classes.
Answer : D
Explanation
All of the above statements are correct.
Q 3 - Which of the following is correct about the OGNL?
Answer : C
Explanation
Both of the above options are correct.
Q 4 - What should be the name of xml file used for validation in struts?
Answer : A
Explanation
The xml file needs to be named '[action-class]'-validation.xml.
Q 5 - What is the purpose of @Result 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 : B
Explanation
The @result annotations have the name that correspond to the outcome of the execute method. They also contain a location as to which view should be served corresponding to return value from execute().
Q 6 - What is the purpose of @ExpressionValidator 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 : C
Explanation
This non-field level validator validates a supplied regular expression.
Q 7 - What is the purpose of @CustomValidator annotation?
A - This annotation checks that a field is a valid URL.
B - This annotation is used to nest several annotations of same type.
C - This annotation can be used for custom validators.
D - This annotation checks that a String field is of the right length.
Answer : C
Explanation
This annotation can be used for custom validators. Use the ValidationParameter annotation to supply additional params.
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 class acts as Dispatcher class in struts and spring integration?
A - org.springframework.web.context.ContextLoaderListener
Answer : B
Explanation
org.apache.struts2.dispatcher.FilterDispatcher acts as Dispatcher class in struts and spring integration.
Q 10 - To use MVC with Struts, you have to be comfortable with the standard JSP, Servlet APIs and a large & elaborate framework.
Answer : B
Explanation
To use MVC with Struts, you have to be comfortable with the standard JSP, Servlet APIs and a large & elaborate framework.
