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6. The JavaServer Pages (JSP) Technology Model (SCWCD)


  • Identify, describe, or write the JSP code for the following elements: (a) template text, (b) scripting elements (comments, directives, declarations, scriptlets, and expressions), (c) standard and custom actions, and (d) expression language elements.
  • Write JSP code that uses the directives: (a) 'page' (with attributes 'import', 'session', 'contentType', and 'isELIgnored'), (b) 'include', and (c) 'taglib'.
  • Write a JSP Document (XML-based document) that uses the correct syntax.
  • Describe the purpose and event sequence of the JSP page life cycle: (1) JSP page translation, (2) JSP page compilation, (3) load class, (4) create instance, (5) call the jspInit method, (6) call the _jspService method, and (7) call the jspDestroy method.
  • Given a design goal, write JSP code using the appropriate implicit objects: (a) request, (b) response, (c) out, (d) session, (e) config, (f) application, (g) page, (h) pageContext, and (i) exception.
  • Configure the deployment descriptor to declare one or more tag libraries, deactivate the evaluation language, and deactivate the scripting language. 6.7 Given a specific design goal for including a JSP segment in another page, write the JSP code that uses the most appropriate inclusion mechanism (the include directive or the jsp:include standard action).

 Q1. To take advantage of the capabilities of modern browsers that use web standards, such as XHTML and CSS, your web application is being converted from simple JSP pages to JSP Document format. However, one of your JSPs, /scripts/screenFunctions.jsp, generates a JavaScript file. This file is included in several web forms to create screen-specific validation functions and are included in these pages with the following statement:
10. <head>
11. <script src='/scripts/screenFunctions.jsp'
12. language='javascript'
13. type='application/javascript'> </script>
14. </head>
15. <!-- body of the web form -->

Which JSP code snippet declares that this JSP Document is a JavaScript file?

 A. <%@ page contentType='application/javascript' %>
B. <jsp:page contentType='application/javascript' />
C. <jsp:document contentType='application/javascript' />
D. < contentType='application/javascript' />
E. No declaration is needed because the web form XHTML page already declares the MIME type of the  /scripts/screenFunctions.jsp file in the <script> tag.

Answer: D

Q2. Which implicit object is used in a JSP page to retrieve values associated with <context-param> entries in the deployment descriptor?

A. config
B. request
C. session
D. application

Answer: D

Q3. Click the Task button.
Place the events in the order they occur.


  1. JSP page is translated
  2. JSP page is compiled
  3. JSP page implementation class is loaded
  4. jspInit is called
  5. _jspService is called
  6. jspDestroy is called

 Q4. Click the Task button.
Place the code snippets in the proper order to construct the JSP code to import static content into a JSP page at translation-time.

Answer :
<%@ include file=’foo.jsp’ %.