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Websphere

 
Greenhorn
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Hello,
Could you please tell me:
What exactly is WebSphere? Is it an IDE to develop J2EE Applications? Is it a broader software?
Does the book explains mainly how to use WebSphere to develop J2EE applications or does it also explains what are J2EE applications and related technologies (I have seen in the book's table of contents a chapter about Servlets and another one about JSPs... do you teach in the book what these tecnologies are?)?
A last question:
What is the diference, for instance, from beeing an IBM Certified Enterprise Developer or a Sun's J2EE Certified developer?
What are the "best" certifications for someone who want's to turn it's professional career to Java development?
Thanks a lot for your time
Vasco
[ February 03, 2004: Message edited by: Vasco Dion�sio ]
 
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What exactly is WebSphere? Is it an IDE to develop J2EE Applications? Is it a broader software?

WebSphere is a product family from IBM. The WebSphere product family includes an IDE (WebSphere Studio Application Developer or "WSAD"), an application server (WebSphere Application Server, multiple editions of course), a messaging middleware product (WebSphere MQ, the successor for IBM MQSeries), a portal server (WebSphere Portal), and what not. I'm pretty sure I missed at least a couple products
The best resource for learning about IBM's WebSphere product line is IBM developerWorks.

What is the diference, for instance, from beeing an IBM Certified Enterprise Developer or a Sun's J2EE Certified developer?

While the SCEA is purely specification-focused, the IBM certification focuses on using IBM's particular implementation of the specifications.
 
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In addition to Lesse said,


While the SCEA is purely specification-focused, the IBM certification focuses on using IBM's particular implementation of the specifications.


IBM's exams are vendor-specific, that means, most of the issues address are only be useful in IBM, but may not apply to Sun ONE or WebLogic.
For Sun's exams, although you may regard it as vendor-specific, but it is becoming a standard that being supported by other vendors as well. It is a more generic exams, which means, for example, EntityBean is used to represent a database record. No matter which application server, it will implement EntityBean with the above meaning.
Hope this makes the case clearer.
Nick.
 
Vasco Dion�sio
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Thanks to you both... I think I got it... I am studying for the Sun's JAVA 2 programmer certification... first things first...
Best regards
Vasco
 
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