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 **/ %>
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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
A.javax.servlet.http.HttpSessionListener
B.javax.servlet.http.HttpSessionBindingListener
C.javax.servlet.http.HttpSessionAttributeListener
D.javax.servlet.http.HttpSessionActivationListener
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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?()
Click the ’Select and Place’ button.Place the events in the order they occur.
In which three directories, relative to a web application’s root, may a tag library descriptor file reside whendeployed directly into a web application?()
You are building a web application with a scheduling component. On the JSP, you need to show the currentdate, the date of the previous week, and the date of the next week. To help you present this information,you have created the following EL functions in the ’d’ namespace: name: curDate; signature: java.util.DatecurrentDate() name: addWeek; signature: java.util.Date addWeek(java.util.Date, int) name: dateString;signature:java.util.String getDateString(java.util.Date)Which EL code snippet will generate the string for the previousweek?
Click the Exhibit button.The attribute "name" has a value of "Foo,"What is the result if this tag handler’s tag is invoked?()
A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr.Which two properly set the title in this scenario?()
Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface:public interface ApplicationController {public String invoke(HttpServletRequest request)}The return value of this method indicates a symbolic name of the next view. From this name, the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next, the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal?()
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?()
Click the 'Select and Place' button.Place the events in the order they occur.