Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly，the consultant created several dozen JSP pages that directly communicate with the database. The Squeakybusiness team has since purchased a set of business objects to model their system， and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the newsystem.
Which pattern can the developer use to solve this problem？（）
A.Transfer Object
B.Service Locator
C.Intercepting Filter
D.Business Delegate
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Click the Exhibit button.
The Appliance class is a Singleton that loads a set of properties into a Map from an external data source.Assume：
An instance of the Appliance class exists in the application-scoped attribute， appl The appliance object includes the name property that maps to the value Cobia The request- scoped attribute， prop，has the valuename.
Which two EL code snippets will display the string Cobia？（）
A.${appl.properties.name}
B.${appl.properties.prop}
C.${appl.properties[prop]}
D.${appl.properties[name]}
E.${appl.getProperties（）.get（prop）}
F.${appl.getProperties（）.get（’name’）}
A.${func（1）}
B.${foo：func（4）}
C.${func：foo（2）}
D.${foo（5）：func}
E.${func：foo（"easy"）}
F.${func：foo（"3"）.name}
You have created a web application that you license to real estate brokers. The webapp is highly customizable including the email address of the broker， which is placed on the footer of each page. This isconfigured as a context parameter in the deployment descriptor：
10.<context-param>
11.<param-name>footerEmail</param-name>
12.<param-value>joe@estates-r-us.biz</param-value>
13.</context-param>
Which EL code snippet will insert this context parameter into the footer？（）
A.<a href=’mailto：${footerEmail}’>Contact me</a>
B.<a href=’mailto：${initParam@footerEmail}’>Contact me</a>
C.<a href=’mailto：${initParam.footerEmail}’>Contact me</a>
D.<a href=’mailto：${contextParam@footerEmail}’>Contact me</a>
E.<a href=’mailto：${contextParam.footerEmail}’>Contact me</a>
Given：
1.<% int[] nums = {42，420，4200}；
2.request.setAttribute（"foo"， nums）； %>
3.${5 + 3 lt 6}
4.${requestScope[’foo’][0] ne 10 div 0}
5. ${10 div 0}
What is the result？（）
A.True true
B.False true
C.False true 0
D.True true Infinity
E.False true Infinity
A.${requestURI}
B.${request.URI}
C.${request.getURI}
D.${request.requestURI}
E.${requestScope.requestURI}
F.${pageContext.request.requestURI}
最新試題
Which three are true about servlet filters？（）
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？
Which is a benefit of precompiling a JSP page？（）
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？（）
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.
Click the ’Select and Place’ button.Place the events in the order they occur.
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？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Given tutorial.jsp：2.EL Tutorial3.Example 14.5.Dear ${my：nickname（user）}6.Which， when added to the web application deployment descriptor，ensures that line 5 is included verbatimin the JSP output？（）