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
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Given this fragment from a Java EE deployment descriptor：
124. <welcome-file>beta.html</welcome-file>
125. <welcome-file>alpha.html</welcome-file> And this request from a browser：http：//www.sun.com/SCWCDtestApp/register
Which statement is correct，when the container receives this request？（）
A.This deployment descriptor is NOT valid.
B.The container first looks in the register directory for beta.html.
C.The container first looks in the register directory for alpha.html.
D.The container first looks for a servlet mapping in the deployment descriptor.
A.WAR files must be located in the web application library directory.
B.WAR files must contain the web application deployment descriptor.
C.WAR files must be created by using archive tools designed specifically for that purpose.
D.The web container must serve the content of any META-INF directory located in a WAR file.
E.The web container must allow access to resources in JARs in the web application library directory.
Given that www.example.com/SCWCDtestApp is a validly deployed Java EE web application and that all ofthe JSP files specified in the requests below exist in the locations specified.
Which two requests，issuedfrom a browser，will return an HTTP 404 error？（）
A.http：//www.example.com/SCWCDtestApp/test.jsp
B.http：//www.example.com/SCWCDtestApp/WEB-INF/test.jsp
C.http：//www.example.com/SCWCDtestApp/WEB-WAR/test.jsp
D.http：//www.example.com/SCWCDtestApp/Customer/test.jsp
E.http：//www.example.com/SCWCDtestApp/META-INF/test.jsp
F.http：//www.example.com/SCWCDtestApp/Customer/Update/test.jsp
A.Placing it in the /secure directory
B.Placing it in the /WEB-INF directory
C.Placing it in the /META-INF/secure directory
D.Creating a element within the deployment descriptor
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In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
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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？（）
You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side.Which JSP code snippet will create this array？（）
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？（）
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？