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Can I take SCWCD 1.4 having SCJP 1.2?

sriram sriram
Greenhorn

Joined: Feb 23, 2004
Posts: 2
I have taken up SCJP 1.2 during 2000. Can I take up SCWCD now? Some response to this question would be appreciated.
Thanks
Sriram
Nicholas Cheung
Ranch Hand

Joined: Nov 07, 2003
Posts: 4982
Hi Sriram,

I have taken up SCJP 1.2 during 2000. Can I take up SCWCD now?

YES. Till now, you can only take SCWCD 1.3, as SCWCD 1.4 is still not being public released.
If you need to take SCWCD 1.4, you may need to wait till April/May, 2004.
Nick.


SCJP 1.2, OCP 9i DBA, SCWCD 1.3, SCJP 1.4 (SAI), SCJD 1.4, SCWCD 1.4 (Beta), ICED (IBM 287, IBM 484, IBM 486), SCMAD 1.0 (Beta), SCBCD 1.3, ICSD (IBM 288), ICDBA (IBM 700, IBM 701), SCDJWS, ICSD (IBM 348), OCP 10g DBA (Beta), SCJP 5.0 (Beta), SCJA 1.0 (Beta), MCP(70-270), SCBCD 5.0 (Beta), SCJP 6.0, SCEA for JEE5 (in progress)
kunal Jaggi
Greenhorn

Joined: Sep 16, 2003
Posts: 17
How About the Exam Objectives of SCWCD 1.4???
To what extent do u think that the exam objectives would be changed?
Also, SCJP 1.2 expires in Dec. 04 , does this mean that I need to take the SCWCD exam prior to that, since SCJp is a prerequirement for SCWCD?
[ February 28, 2004: Message edited by: kunalnimc Jaggi ]
Satish Avadhanam
Ranch Hand

Joined: Aug 12, 2003
Posts: 697
Originally posted by kunalnimc Jaggi:
How About the Exam Objectives of SCWCD 1.4???
To what extent do u think that the exam objectives would be changed?

The objectives for Servlet's are almost same except that "Filters" are introduced. For JSP there are lots of changes. EL, JSTL are introduced. Some design patters are taken out and new ones are introduced. On all to say, new exam is way difficult than previous if you don't prepare well.

Also, SCJP 1.2 expires in Dec. 04 , does this mean that I need to take the SCWCD exam prior to that, since SCJp is a prerequirement for SCWCD?
Yes, if you have taken 1.2 before August 2003. After that, there is no expiration for Sun certifications, as exams are mostly version dependent.

[ February 28, 2004: Message edited by: kunalnimc Jaggi ]

Hope this helps.
Nicholas Cheung
Ranch Hand

Joined: Nov 07, 2003
Posts: 4982
Hi Kunalnimc,

SCJP 1.2 expires in Dec. 04 , does this mean that I need to take the SCWCD exam prior to that, since SCJp is a prerequirement for SCWCD?

SUN has changed her policy, there is NO expiry date now. Old certificates with expiry date can ask SUN to re-issue the cert. with NO expiry date. So, you can take SCWCD whenever you like.
Details can be found from:
SUN RECERTIFICATION
Nick.
Nicholas Cheung
Ranch Hand

Joined: Nov 07, 2003
Posts: 4982
Hi Kunalnimc,

How About the Exam Objectives of SCWCD 1.4???

Below is the objectives that I received from SUN when I registered for the beta exam:

* * *Sun Certified Web Component Developer for J2EE 1.4 beta testing objectives * * *
>
> Section 1: The Servelt Technology Model
>
> 1.1 For each of the HTTP Methods (such as GET, POST, HEAD, and so on) describe the purpose of the method
> and the technical characteristics of the HTTP Method protocol, list triggers that might cause a Client (usually a
> Web browser) to use the method; and identify the HttpServlet method that corresponds to the HTTP Method.
>
> 1.2 Using the HttpServletRequest interface, write code to retrieve HTML form parameters from the request,
> retrieve HTTP request header information, or retrieve cookies from the request.
>
> 1.3 Using the HttpServletResponse interface, write code to set an HTTP response header, set the content type of the
> response, acquire a text stream for the response, acquire a binary stream for the response, redirect an HTTP
> request to another URL, or add cookies to the response.
>
> 1.4 Describe the purpose and event sequence of the servlet life cycle: (1) servlet class loading, (2) servlet
> instantiation, (3) call the init method, (4) call the service method, and (5) call destroy method.
>
> 2. Section 2: The Structure and Deployment of Web Applications
>
> 2.1 Construct the file and directory structure of a Web Application that may contain (a) static content, (b) JSP
> pages, (c) servlet classes, (d) the deployment descriptor, (e) tag libraries, (d) JAR files, and (e) Java class files;
> and describe how to protect resource files from HTTP access.
>
> 2.2 Describe the purpose and semantics for each of the following deployment descriptor elements: error-page, initparam,
> mime-mapping, servlet, servlet-class, servlet-mapping, servlet-name, and welcome-file.
> 2.3 Construct the correct structure for each of the following deployment descriptor elements: error-page, initparam,
> mime-mapping, servlet, servlet-class, servlet-mapping, servlet-name, and welcome-file.
>
> 2.4 Explain the purpose of a WAR file and describe the contents of a WAR file, how one may be constructed.
>
> 3. The Web Container Model
>
> 3.1 For the ServletContext initialization parameters: write servlet code to access initialization parameters; and
> create the deployment descriptor elements for declaring initialization parameters.
>
> 3.2 For the fundamental servlet attribute scopes (request, session, and context): write servlet code to add, retrieve,
> and remove attributes; given a usage scenario, identify the proper scope for an attribute; and identify multithreading
> issues associated with each scope.
>
> 3.3 Describe the Web container request processing model; write and configure a filter; create a request or response
> wrapper; and given a design problem, describe how to apply a filter or a wrapper.
>
> 3.4 Describe the Web container life cycle event model for requests, sessions, and web applications; create and
> configure listener classes for each scope life cycle; create and configure scope attribute listener classes; and
> given a scenario, identify the proper attribute listener to use.
>
> 3.5 Describe the RequestDispatcher mechanism; write servlet code to create a request dispatcher; write servlet
> code to forward or include the target resource; and identify and describe the additional request-scoped
> attributes provided by the container to the target resource.
>
> 4. Session Management
>
> 4.1 Write servlet code to store objects into a session object and retrieve objects from a session object.
>
> 4.2 Given a scenario describe the APIs used to access the session object, explain when the session object was
> created, and describe the mechanisms used to destroy the session object, and when it was destroyed.
>
> 4.3 Using session listeners, write code to respond to an event when an object is added to a session, and write code>
> to respond to an event when a session object migrates from one VM to another.
>
> 4.4 Given a scenario, describe which session management mechanism the Web container could employ, how
> cookies might be used to manage sessions, how URL rewriting might be used to manage sessions, and write
> servlet code to perform URL rewriting.
>
> 5. Web Application Security
>
> 5.1 Based on the servlet specification, compare and contrast the following security mechanisms: (a)
> authentication, (b) authorization, (c) data integrity, and (d) confidentiality.
>
> 5.2 In the deployment descriptor, declare a security constraint, a Web resource, the transport guarantee, the login
> configuration, and a security role.
>
> 5.3 Compare and contrast the authentication types (BASIC, DIGEST, FORM, and CLIENT-CERT); describe
> how the type works; and given a scenario, select an appropriate type.
>
> 6. The JavaServer Pages (JSP) Technology Model
>
> 6.1 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.
>
> 6.2 Write JSP code that uses the directives: (a) 'page' (with attributes 'import', 'session', 'contentType', and
> 'isELIgnored'), (b) 'include', and (c) 'taglib'.
>
> 6.3 Write a JSP Document (XML-based document) that uses the correct syntax.
>
> 6.4 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.
>
> 6.5 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.
>
> 6.6 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).
>
> 7. Building JSP Pages Using the Expression Language (EL)
>
> 7.1 Given a scenario, write EL code that accesses the following implicit variables including pageScope,
> requestScope, sessionScope, and applicationScope, param and paramValues, header and headerValues,
> cookie, initParam and pageContext.
>
> 7.2 Given a scenario, write EL code that uses the following operators: property access (the . operator), collection
> access (the [] operator).
>
> 7.3 Given a scenario, write EL code that uses the following operators: aritmetic operators, relational operators,
> and logical operators.
>
> 7.4 Given a scenario, write EL code that uses a function; write code for an EL function; and configure the EL
> function in a tag library descriptor.
>
> 8. Building JSP Pages Using Standard Actions
>
> 8.1 Given a design goal, create a code snippet using the following standard actions: jsp:useBean (with attributes:
> 'id', 'scope', 'type', and 'class'), jsp:getProperty, and jsp:setProperty (with all attribute combinations).
>
> 8.2 Given a design goal, create a code snippet using the following standard actions: jsp:include, jsp:forward, and
> jsp aram.
>
> 9. Building JSP Pages Using Tag Libraries
>
> 9.1 For a custom tag library or a library of Tag Files, create the 'taglib' directive for a JSP page.
>
> 9.2 Given a design goal, create the custom tag structure in a JSP page to support that goal.>
>
> 9.3 Given a design goal, use an appropriate JSP Standard Tag Library (JSTL v1.1) tag from the "core" tag
> library.
>
> 10.Building a Custom Tag Library
>
> 10.1 Describe the semantics of the "Classic" custom tag event model when each event method (doStartTag,
> doAfterBody, and doEndTag) is executed, and explain what the return value for each event method means;
> and write a tag handler class.
>
> 10.2 Using the PageContext API, write tag handler code to access the JSP implicit variables and access web
> application attributes.
>
> 10.3 Using the PageContext API, write tag handler code to access the JSP implicit variables and access web
> application attributes.
>
> 10.4 Given a scenario, write tag handler code to access the parent tag and an arbitrary tag ancestor.
>
> 10.5 Describe the semantics of the "Simple" custom tag event model when the event method (doTag) is
> executed; write a tag handler class; and explain the constraints on the JSP content within the tag.
>
> 10.6 Describe the semantics of the Tag File model; describe the web application structure for tag files; write a
> tag file; and explain the constraints on the JSP content in the body of the tag.
>
> 11.J2EE Patterns
>
> 11.1 Given a scenario description with a list of issues, select a pattern that would solve the issues. The list of
> patterns you must know are: Intercepting Filter, Model-View-Controller, Front Controller, Service
> Locator, Business Delegate, and Transfer Object.
>
> 11.2 Match design patterns with statements describing potential benefits that accrue from the use of the pattern,
> for any of the following patterns: Intercepting Filter, Model-View-Controller, Front Controller, Service
> Locator, Business Delegate, and Transfer Object.


To what extent do u think that the exam objectives would be changed?

In general, most of the changes are in the JSP part. Changes include Expression Language, JSTL, Simple Tag, Tag file, etc.
Hope this help.
Nick.
 
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