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Question ID 4621

You are building a dating service web site. Part of the form to submit a client's profile is a group of radio buttons for the person's hobbies:
20.    <input type = ‘radio’ name = ‘hobbyEnum’ value = ‘HIKING’> Hiking <br>
21.    <input type = ‘radio’ name = ‘hobbyEnum’ value = ‘SKING’> Sking <br>
22.    <input type = ‘radio’ name = ‘hobbyEnum’ value = ‘SCUBA’> SCUBA <br>
23.    <! - - and more options - - >>
After the user submits this form, a confirmation screen is displayed with these hobbies listed. Assume that an application-scoped hobbies, holds a map between the hobby enumerated type and the display name.
Which EL code snippet will display Nth element of the user's selected hobbles?
 

Option A

A.    ${hobbies [hobbyEnum[N]}
 

Option B

B.    ${hobbies [paramValues.hobbyEnum[N]]}
 

Option C

C.    ${hobbies [paramValues @ ‘hobbyEnum’ @N]
 

Option D

D.    ${hobbies.get(paramValues.hobbyEnum[N]) }
 

Option E

E.    ${hobbies [paramValues.hobbyEnum.get(N)] }
 

Correct Answer B
Explanation


Question ID 4622

Given:
1.    <% int[] nums = {42,420,4200};
2.    request.setAttribute("foo", nums); %>
3.    ${5 + 3 It 6}
4.    S(requestScope['foo'][0] ne 10 div0>
5.    ${10 div 0}
What is the result?
 

Option A

A.    true true
 

Option B

B.    false true
 

Option C

C.    false true 0
 

Option D

D.    true true Infinity
 

Option E

E.    false true Infinity
 

Option F

F.    An exception is thrown
 

Correct Answer E
Explanation

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