The actual "how" is difficult as it entails everything from analysis to
design through implementation.  There are many books covering analysis
and distributed design that apply equally well to EJS systems.
        Unfortunately, I'm generally only on the periphery of most of the
analysis for the projects I'm involved in, so that information will have
to come from elsewhere.  Perhaps the new Objectory book from Jacobson
would be a decent start (Amazon:
http://www.amazon.com/exec/obidos/ASIN/0201571692/qid=920927024/sr=1-8/002-4485061-6675010).
        As for design, a decent tome to start with (note I said "start with")
would be Corba Design Patterns by Mowbray and Malveau (Amazon:
http://www.amazon.com/exec/obidos/ASIN/0471158828/qid%3D920926958/002-4485061-6675010).
Also, the Orfali tome mentioned below would serve you well.
        As for implementation specifics, most of the recent Orfali, et al texts
are excellent, especially if you're fairly new, or experienced for that
matter, to distributed systems, RMI, or CORBA.  For example,
Client/Server programming with Java and CORBA, Amazon:
http://www.amazon.com/exec/obidos/ASIN/047124578X/qid=920927193/sr=1-1/002-4485061-6675010
is excellent.  As for Java specifics, try Developing Java Enterprise
Applications, Amazon:
http://www.amazon.com/exec/obidos/ASIN/0471327565/qid=920927401/sr=1-4/002-4485061-6675010,
or Advanced Java Development for Enterprise Applications, Amazon:
http://www.amazon.com/exec/obidos/ASIN/0130804614/qid=920927401/sr=1-1/002-4485061-6675010.
        Good luck, the relative wealth of Java API's currently available
multiplied by the complexity of your domain generally makes for a "fun"
engineering effort.  It's a tough road to take, but well worth it...

Sean C Sullivan wrote:
>
> Are there any books about how to implement a 3-tier
> architecture system using Java, Servlets, EJB, and JDBC?
>
> Thanks.
>
> -Sean
>
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