You are building a web application that will be used throughout the European Union； therefore， it has significant internationalization requirements. You have been tasked to create a custom tag that generates amessage using the java.text.MessageFormat class. The tag will take the resourceKey attribute and a variable number of argument attributes with the format， arg
Which Simple tag class definition accomplishes this goal of handling a variable number of tag attributes？（）
A.
B.
C.
D.
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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.Foo
B.done
C.Foodone
D.An exception is thrown at runtime
E.No output is produced from this code
F.Compilation fails because of an error in this code
You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significant recoding， but you are already behind schedule.
Which JSP codesnippet can you use to resolve these concurrency problems？（）
A.<%@ page isThreadSafe=’false’ %>
B.<%@ implements SingleThreadModel %>
C.<%! implements SingleThreadModel %>
D.<%@ page useSingleThreadModel=’true’ %>
E.<%@ page implements=’SingleThreadModel’ %>
A.Config
B.Request
C.Session
D.Application
Given the JSP code：
10.<html>
11.<body>
12.<jsp：useBean id=’customer’ class=’com.example.Customer’ />
13.Hello， ${customer.title} ${customer.lastName}， welcome
14.to Squeaky Beans， Inc.
15.</body>16. </html>
Which three types of JSP code are used？（）
A.Java code
B.Template text
C.Scripting code
D.Standard action
E.Expression language
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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.
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses， each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor， like this：42.<context-param>43.<param-name>webmasterEmail</param-name>44.<param-value>master@example.com</param-value>45.</context-param>Which JSP code snippet creates this email link？（）
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？（）
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.
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？（）
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？（）