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Re: J2EE

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On 20/08/13 23:47, bob smith wrote:
> I see a lot of jobs for J2EE programmers.
>
> Isn't J2SE the free Java whereas J2EE costs a lot?
>
> How do people learn J2EE without paying a lot of money?  Is there really much reason for an Average Joe to take on J2EE?
>
> Thanks.

I think that any additional skill is worthwhile in this day and age.

Start small.

Download Tomcat and write a simple web app with a couple of servlets, 
package it in a war and deploy it. Mess around and add a database, work 
out how to glue it all together.

Get hold of a free J2EE/Java EE app server and deploy your web app

... and here's the point of J2EE

How secure is your app, how scalable, how do you manage your 
transactions, what if you wanted to add messaging etc etc

J2EE is all about delegating responsibility for much of the stuff you 
don't really want to concern yourself with when designing and 
implementing (mainly) business applications.

I would much rather spend time getting my head around the interesting 
bits of the business logic than worrying about the minutiae of securing 
my applications.

One of my commercial sites runs quite happily on standalone Tomcat and 
regularly has 1000 concurrent sessions ... it has never fallen over.

If you are mainly going to be writing for small to medium sized business 
then you may not need a full featured J2EE server. If however you want 
to get into big business systems then go for it.

I started out with a early early version of Weblogic, I figured most of 
it out myself as I didn't want to pay the frankly exorbitant costs of 
formal training, thinks have moved on a bit since those days and there 
is a lot more free stuff out there now.

Besides, EJB's are ... fun.

lipska


-- 
Lipska the Kat©: Troll hunter, sandbox destroyer
and farscape dreamer of Aeryn Sun
GNU/Linux user #560883 - http://www.linuxcounter.net

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J2EE bob smith <bob@coolfone.comze.com> - 2013-08-20 15:47 -0700
  Re: J2EE Lew <lewbloch@gmail.com> - 2013-08-20 16:25 -0700
    Re: J2EE Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2013-08-21 08:40 +0300
      Re: J2EE Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-08-29 08:18 -0300
        Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-29 17:47 -0400
  Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-20 19:26 -0400
  Re: J2EE markspace <markspace@nospam.nospam> - 2013-08-20 17:20 -0700
    Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-20 21:19 -0400
  Re: J2EE lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-08-21 12:08 +0100
  Re: J2EE Gordon Levi <gordon@address.invalid> - 2013-08-22 16:20 +1000
  Re: J2EE Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-08-29 13:26 -0300
    Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-29 17:52 -0400
      Re: J2EE eric@invalid.com (EricF) - 2013-08-30 02:54 +0000
        Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-30 22:49 -0400
          Re: J2EE Martin Gregorie <martin@address-in-sig.invalid> - 2013-08-31 10:58 +0000
            Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-08-31 21:39 -0400
              Re: J2EE Martin Gregorie <martin@address-in-sig.invalid> - 2013-09-01 12:48 +0000
                Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-09-01 09:14 -0400
                Re: J2EE Martin Gregorie <martin@address-in-sig.invalid> - 2013-09-01 18:35 +0000
                Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-09-01 16:45 -0400
                Re: J2EE Martin Gregorie <martin@address-in-sig.invalid> - 2013-09-02 00:10 +0000
                Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-09-01 20:12 -0400
                Re: J2EE Martin Gregorie <martin@address-in-sig.invalid> - 2013-09-02 19:47 +0000
                Re: J2EE Arne Vajhøj <arne@vajhoej.dk> - 2013-09-02 16:11 -0400
                Java version check and auro-jre download (was Re: J2EE) Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2013-09-03 06:58 +0800
                Re: Java version check and auro-jre download (was Re: J2EE) Arne Vajhøj <arne@vajhoej.dk> - 2013-09-02 19:37 -0400
                Re: Java version check and auro-jre download (was Re: J2EE) markspace <markspace@nospam.nospam> - 2013-09-02 20:00 -0700
                Re: Java version check and auro-jre download (was Re: J2EE) Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2013-09-03 21:00 +0800
                Re: Java version check and auro-jre download (was Re: J2EE) markspace <markspace@nospam.nospam> - 2013-09-03 13:35 -0700
                Re: Java version check and auro-jre download (was Re: J2EE) Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2013-09-04 05:14 +0800
                Re: Java version check and auro-jre download (was Re: J2EE) markspace <markspace@nospam.nospam> - 2013-09-03 18:34 -0700
                Re: Java version check and auro-jre download (was Re: J2EE) Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2013-09-08 19:46 +0800
                Re: Java version check and auro-jre download (was Re: J2EE) Arne Vajhøj <arne@vajhoej.dk> - 2013-09-08 20:28 -0400
                Re: Java version check and auro-jre download (was Re: J2EE) Arne Vajhøj <arne@vajhoej.dk> - 2013-09-08 20:21 -0400
                Re: Java version check and auro-jre download (was Re: J2EE) "John B. Matthews" <nospam@nospam.invalid> - 2013-09-09 01:25 -0400
                Re: Java version check and auro-jre download (was Re: J2EE) Martin Gregorie <martin@address-in-sig.invalid> - 2013-09-09 20:19 +0000
                Re: Java version check and auro-jre download (was Re: J2EE) Arved Sandstrom <asandstrom2@eastlink.ca> - 2014-01-30 12:43 -0400
                Re: Java version check and auro-jre download (was Re: J2EE) Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2013-09-17 19:04 +0800
                Re: J2EE Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-09-01 17:09 -0300
        Re: J2EE eric@invalid.com (EricF) - 2013-08-31 03:13 +0000
        Re: J2EE Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-08-31 22:46 -0300
  Re: J2EE Wendy Devolder <wendy.devolder@skillsmatter.com> - 2013-09-01 07:44 -0700

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