多項選擇題

Click the Exhibit button.

Given：
11.<% com.example.Advisor advisor = new com.example.Advisor（）； %>
12.<% request.setAttribute（"foo"， advisor）； %>
Assuming there are no other "foo" attributes in the web application，which three are valid EL expressions forretrieving the advice property of advisor？（）

A.${foo.advice}
B.${request.foo.advice}
C.${requestScope.foo.advice}
D.${requestScope[foo[advice]]}
E.${requestScope["foo"]["advice"]}

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多項選擇題

Given：
6.<% int[] nums = {42， 420， 4200}；
7.request.setAttribute（"foo"， nums）； %>
Which two successfully translate and result in a value of true？（）

A.${true or false}
B.${requestScope[foo][0] > 500}
C.${requestScope[’foo’][1] = 420}
D.${（requestScope[’foo’][0] lt 50） && （3 gt 2）}

單項選擇題

You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case.
Which scriptlet code snippet willperform this test？（）

A.<% if （ request.getSession（false） == null ） {// special processing} %>
B.<% if （ request.getHttpSession（false） == null ） {// special processing} %>
C.<% if （ requestObject.getSession（false） == null ） { // special processing} %>
D.<% if （ requestObject.getHttpSession（false） == null ） { // special processing} %>

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Given： 6.<% int[] nums = {42， 420， 4200}； 7.request.setAttribute（"foo"， nums）； %> Which two successfully translate and result in a value of true？（）

You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case. Which scriptlet code snippet willperform this test？（）

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Given：
6.<% int[] nums = {42， 420， 4200}；
7.request.setAttribute（"foo"， nums）； %>
Which two successfully translate and result in a value of true？（）

You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case.
Which scriptlet code snippet willperform this test？（）