A.It avoids initialization on the first request.
B.It provides the ability to debug runtime errors in the application.
C.It provides better performance on the first request for the JSP page.
D.It avoids execution of the _jspService method on the first request.
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The JSP developer wants a comment to be visible in the final output to the browser.
Which comment styleneeds to be used in a JSP page？（）
A.<!-- this is a comment -->
B.<% // this is a comment %>
C.<%-- this is a comment --%>
D.<% /** this is a comment **/ %>
A.<%! int i； %>
B.<%= int i； %>
C.<jsp：expr>int i；</jsp：expr>
D.<jsp：scriptlet>int i；</jsp：scriptlet>
E.<jsp：declaration>int i；</jsp：declaration>
A./WEB-INF
B./META-INF
C./WEB-INF/tlds
D./META-INF/tlds
E./WEB-INF/resources
F./META-INF/resources
A.${cart = null}
B.<c：remove var="cart" />
C.<c：remove var="${cart}" />
D.<c：remove var="cart" scope="session" />
E.<c：remove scope="session">cart</c：remove>
Given in a single JSP page：
<%@ taglib prefix=’java’ uri=’myTags’ %>
<%@ taglib prefix=’JAVA’ uri=’moreTags’ %>
Which two are true？（）
A.The prefix ’java’ is reserved.
B.The URI ’myTags’ must be properly mapped to a TLD file by the web container.
C.A translation error occurs because the prefix is considered identical by the web container.
D.For the tag usage
最新試題
Click the ’Select and Place’ button.Place the events in the order they occur.
You are building a dating service web site. Part of the form to submit a client’s profile is a groupIIof radio buttons for the person’s hobbies：20.<input type=’radio’ name=’hobbyEnum’ value=’HIKING’>Hiking <br>21.<input type=’radio’ name=’hobbyEnum’ value=’SKIING’>Skiing <br>22.<input type=’radio’ name=’hobbyEnum’ value=’SCUBA’>SCUBA Diving23.<!-- and more options -->After the user submits this form， a confirmation screen is displayed with these hobbies listed. Assume thatan application-scoped variable， hobbies， holds a map between the Hobby enumerated type and the displayname.Which EL code snippet will display Nth element of the user’s selected hobbies？（）
Your company has a corporate policy that prohibits storing a customer’s credit card number in anycorporate database. However， users have complained that they do NOT want to re- enter their credit cardnumber for each transaction. Your management has decided to use client-side cookies to record the user’scredit card number for 120 days. Furthermore， they also want to protect this information during transit fromthe web browser to the web container； so the cookie must only be transmitted over HTTPS.Which codesnippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user’s webbrowser？（）
Given a Filter class definition with this method：21.public void doFilter（ServletRequest request，22.ServletResponse response，23.FilterChain chain）24.throws ServletException， IOException {25.// insert code here26.}Which should you insert at line 25 to properly invoke the next filter in the chain， or the target servlet if thereare no more filters？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Which ensures that a JSP response is of type "text/plain"？（）
Click the 'Select and Place' button.Place the events in the order they occur.
Which is a benefit of precompiling a JSP page？（）
Click the 'Select and Place' button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.