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Question ID 4697

Which three are true about the HttpServletRequestWrapper class? (Choose three.)
 

Option A

A.    The HttpServletRequestWrapper is an example of the Decorator pattern.
 

Option B

B.    The HttpServletRequestWrapper can be used to extend the functionality of a servlet request.
 

Option C

C.    A subclass of HttpServletRequestWrapper CANNOT modify the behavior of the getReader method.
 

Option D

D.    An HttpServletRequestWrapper may be used only by a class implement the javax.servlet.Filter interface.
 

Option E

E.    An HttpServletRequestWrapper CANNOT be used on the request passed to the RequestDispatcher.interface.
 

Option F

F.    An HttpServletRequestWrapper may modify the header of a request within an object implementing the javax.servlet.Filter interface.
 

Correct Answer A,B,F
Explanation


Question ID 4698

Given a war file with the following structure
| - WEB-INF/classes/Myservlet.class | - WEB-INF/lib/wf.jaf
Where wf.jar contains a valid web-fragment.xml and the following two classes: MyFilter1.class and MyFiler2.class.
The web-fragment.xml is as follows:
 
The following are some code snippets:
 
When one access “/” of the above web application, which filters will be executed?

Option A

A.    No filters will be executed.
 

Option B

B.    MyFilter1
 

Option C

C.    MyFilter2
 

Option D

D.    MyFilter1 and MyFilter2
 

Correct Answer C
Explanation

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