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?
Answer : C
Explanation
MDBs are not a part of Struts architecture.
Q 2 - Which of the following is correct about dispatcher result type?
B - It is used to generate output using predefined templates.
Answer : A
Explanation
It is used to forward to a servlet, JSP, HTML page, and so on, on the server. It uses the RequestDispatcher.forward() method.
Q 3 - Which of the following is correct about the OGNL?
Answer : C
Explanation
Both of the above options are correct.
Q 4 - Can you override the default error message that can come during file uploading process?
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?
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 @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 @Key Annotation?
A - This annotation sets the CreateIfNull for type conversion.
B - This annotation sets the Element for type conversion.
C - This annotation sets the Key for type conversion.
D - This annotation is a marker annotation for type conversions at Type level.
Answer : C
Explanation
This annotation sets the Key for type conversion. The Key annotation must be applied at field or method level.
Q 8 - What is the purpose of @TypeConversion Annotation?
A - This annotation sets the CreateIfNull for type conversion.
B - This annotation sets the Element for type conversion.
C - This annotation sets the Key for type conversion.
D - This annotation is used for class and application wide conversion rules.
Answer : A
Explanation
This annotation annotation is used for class and application wide conversion rules. The TypeConversion annotation can be applied at property and method level.
Q 9 - Which of the following tag will allow you to format a Date in a quick and easy way?
Answer : A
Explanation
The date tag will allow you to format a Date in a quick and easy way.
Q 10 - Struts2 is popular and mature web application framework based on the MVC design pattern.
Answer : A
Explanation
Struts2 is popular and mature web application framework based on the MVC design pattern.
