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SCBCD considerations

 
Gabe Gigliotti
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Hi everybody. Thanks to javaranch I had just succesfully taken my SCJP.
I would like to have your point of view about the relationship between SCBCD and SCWCD.
I already read a couple of posts on this subject
http://www.coderanch.com/t/158141/java-EJB-SCBCD/certification/SCWCD-or-SCBCD-pls-help
http://www.coderanch.com/t/167071/java-Web-Component-SCWCD/certification/advice-SCJP-Upgrade-or-SCWCD
but what it is not clear to me is if it necessary to have the solid understanding a SCWD require before diving into SCBCD or it is possible to study directly for SCBCD with a working knowledge of Servlet/jsp?
I know that for both exams the only prerequisite Sun require is SCJP but from the point of view of the exam takers is it possible to understand the material required for SCBCD?
Any your suggestion can help me a lot, so thanks for your attention
Ciao
Gabe
 
Kathy Sierra
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Howdy! You really don't need to know anything about Servlets/JSP in order to learn EJB. Although many developers working on server-side systems *do* know and use web apps as part of an enterprise application, as far as a bean is concerned, a Servlet is just another client -- the bean will never know the difference. And there's certainly nothing on the exam about web clients, because although they are part of the J2EE specification, web apps are *not* part of the EJB specification. And the exam is based ONLY on the EJB specification.
In the real world today, a lot of large-scale enterprise development separates the roles of web app developers and EJB app developers. The people writing Servlets and JSPs are not necessarily the same developers building EJB-based apps. And in fact, there are further separations -- the J2EE model recognizes that the people writing JSPs are not necessarily even Java programmers (although how realistic THAT is, well, that's pretty debatable ), and if you study for SCBCD you'll see that the EJB spec makes a big distinction between the roles of Bean Provider, App Assembler, and Deployer (although again, in practice many of us have to do everything, which is why the exam covers all three roles).
So there's really no reason to pick one exam over the other in terms of prerequisites. From a Java programmer foundation, you can go in either direction, or both, in any order. I think they're both of equal difficulty, although the next version of the SCWCD (out in the spring) will *definitely* become more difficult than the current version of SCWCD. At least that's our evil plan
cheers,
Kathy
 
Gabe Gigliotti
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Hi Kathy, thanks a lot for your answer, now I know that I can go for my SCBCD right now.
I had studied on your book for SCJP: you really helped me, thank you and thanks a lot to Bert.
Ciao
Gabe
 
Ko Ko Naing
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Originally posted by Kathy Sierra:

So there's really no reason to pick one exam over the other in terms of prerequisites. From a Java programmer foundation, you can go in either direction, or both, in any order. I think they're both of equal difficulty, although the next version of the SCWCD (out in the spring) will *definitely* become more difficult than the current version of SCWCD. At least that's our evil plan
cheers,
Kathy


Hi Kathy, u mentioned that the new SCWCD is more difficult than the current SCWCD. I'm on my way to the new SCWCD... But I saw in a post that Bert said "It's a rumor or sthing that the new one is more difficult than the current one." Is it really more difficult or just seems difficult because of the new JSP 2.0 and some new things?
 
Kathy Sierra
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We're pretty certain that it's going to become more difficult (but remember, the SCWCD won't be out until late march, and you will STILL be able to take the older one if you want to, even after the new one is out.)
The exam will be more difficult AND add more content... so in addition to adding new things on the expression language, new JSP stuff, and the JSTL, the questions on the existing content will be *refreshed*, and that virtually *always* means "made more difficult".
It won't be drastically more difficult, but it may mean slightly lower scores than people would get on the current version. If the questions are REALLY hard, that will show up on the beta exam, and either the insanely hard questions will be thrown out (actually, the insanely hard questions are ALWAYS thrown out) and/or the passing percentage will go down. Look what has happened with the SCJP... when I first took it, you had to get I think 76% in order to pass. Today, it's 52%!! Not because the candidates aren't as smart as they used to be But because the questions just keep getting weirder and twistier because there is a fairly limited number of ways that you can ask a question on a particular topic.
So, at least you get a nice long stretch with the EJB exam before we work our evil magic on making it more difficult when IT is revised for EJB 2.1.
cheers,
Kathy
 
Ko Ko Naing
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Thank you, Kathy, for your warm response... But I'm now preparing for the new SCWCD beta... Even if I get low scores in the beta exam, it should be considered that my level should reflect higher than the score I will get. I also hope that there will be many tricky questions and I have to make it...
As you said, before you change the current SCBCD exam with evil plan , I also have to take it in a hurry... My voucher will be expired in May 2004... I got the winning book already... It's thicker than I think before... I hope I will surely pass SCBCD exam with your book... I'm willing to share knowledge related to the book in this forum...
Thank you again for your reply...
 
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