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Is the test mainly on EJBs?

Phil Perkins
Ranch Hand

Joined: Nov 21, 2000
Posts: 40
It sounds like the majority of the test is EJB concepts. To what level of understanding do you need to know the other concepts, like UML, etc.
John Wetherbie
Rancher

Joined: Apr 05, 2000
Posts: 1441
Phil,
It's not that EJBs are a majority of the test, just a big part of it, and you have to know them very well. There are 12 objectives related to EJB and EJB containers so if you get a question on each of these that is 25% of the test right there. Do your best to understand the details of the things mentioned in the objectives. There is some discussion about that here and here.
John


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Phil Perkins
Ranch Hand

Joined: Nov 21, 2000
Posts: 40
Thanks,
Where can I get informaion on design patters?
John Wetherbie
Rancher

Joined: Apr 05, 2000
Posts: 1441
The best source, at least for the Part I exam, is the Design Patterns book by Gamma, et. al. If you don't have this book I would strongly suggest you get it. It was one of, if not the, most important software engineering book of the last decade.
If you don't want to buy it ask around and see if you can borrow it from somebody.
Paid political announcement: If you decide to buy the book please go here,find the Design Patterns book, and click through to Amazon. This helps keep the lights on in the barn and the chickens in the corral!
John
Phil Perkins
Ranch Hand

Joined: Nov 21, 2000
Posts: 40
My experience with C++ is extremely rusty and I haven't had any direct experience with Smalltalk. Are there any good books that more Java oriented or are the discussions from that particular book helpful enough to warrant the language difference?
John Wetherbie
Rancher

Joined: Apr 05, 2000
Posts: 1441
There are other books on patterns that are Java specific but I can't recommend one because I haven't read them. You can probably go out to Amazon and search for them to see what is available.
C++ isn't that much different from Java and if you know UML/OMT you should be able to understand the diagrams fine. If you know all the patterns by name from the Design Patterns book and you can describe what each one can be used for you will do fine on the exam as far as I can tell.
John
Marya Doery
Greenhorn

Joined: Dec 27, 2000
Posts: 15
To reply to Phil Perkins concerns about Gamma et al: It's true that the Gamma book gives examples in C++ and Smalltalk, but this shouldn't be a problem. I don't know any Smalltalk, and I know very little of C++, but I am able read Gamma et al. without any problem. You hardly need to look at the code at all; you can understand the patterns very well just from reading the explanatory text.
Aside from that, the exam objectives explicitly name Gamma as the reference to study for Design Patterns. Quoting from the objectives:
"Patterns will belimited to those documented in Gamma et al. and named using the names given in that book....
State the name of a Gamma et al. design pattern given the UML diagram and/or a brief description of the pattern's functionality...."
That alone is reason enough to study from Gamma; if you know the pattern but call it by a name that is not given in Gamma, you'll run into trouble. The Gamma book is from 1995, so you should be able to find it in a library if you don't want to buy it. It's a pretty important book, worth the investment.
Read more about the objectives at http://suned.sun.com/USA/certification/archobj.html
 
 
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