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Errata in HFSJ

 
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In HFSJ on page 219...their is errata in the answer options...somewhere in errata i found A and E are the correct answers and some where in errata i found E is the correct answers..I have HFSJ 1st ed i hav A,D,E as checked answers..Please tell me the correct answer for this question..

promila
 
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Please post the complete question as everyone does not have that book.
 
promila singh
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page 219 on HFSJ 1st ed.
Ques 12. Which statements about RequestDispatcher are true (where applicable, assume the RequestDispatcher was not obtained via a call to getNamedDispatcher())? (Choose all that apply.)
A. A RequestDispatcher can be used to forward a request to another servlet.
B. The only method in the RequestDispatcher interface is forward().
C. Parameters specified in the query string used to create a RequestDispatcher are not forwarded by the forward() method.
D. The servlet to which a request is forwarded may access the original query string by calling getQueryString() on the HttpServletRequest.
E. The servlet to which a request is forwarded may access the original query string by calling getAttribute(“javax.servlet.forward.query_string”) on the ServletRequest.

what are the correct options for answer?

 
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