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Clarification required J2EE, Tomcat, SDK, J2SE

Radek Ischyrion

Joined: Oct 21, 2010
Posts: 7
Hi everyone,

I am new to Java, just finished SCJP training. It gave me quite a good overview of Java , but I am somewhat confused about web development with Java.

I've installed Linux on my machine. Then installed J2SE SDK, NetBeans, Tomcat and Oracle XE - it's all running smoothly however I would really appreciate if you could give me some advise on J2EE... But the guy on the training didn't install J2EE but was able to include all javax.* packages. Is this handled by tomcat itself or what? Do I actually need to install J2EE SDK ?

Thanks and regards, Radek
Wouter Oet
Saloon Keeper

Joined: Oct 25, 2008
Posts: 2700

Tomcat provides some of the javax implementations (there are a lot of javax packages, not all related to J2EE). It is advisable to install a J2EE version of your IDE because especially when it's all new to you, it can get complicated. If you don't you'll need to add the appropriate packages to your classpath.

// And welcome to the JavaRanch

"Any fool can write code that a computer can understand. Good programmers write code that humans can understand." --- Martin Fowler
Please correct my English.
Radek Ischyrion

Joined: Oct 21, 2010
Posts: 7
Thanks for the nice welcome, and quick response.

Is it fair to say that what I need is to install J2EE package over my current J2SE SDK? I noticed that J2EE comes with SDK included I would rather avoid conflicts...

thanks and regards, Radek
Campbell Ritchie

Joined: Oct 13, 2005
Posts: 36514
Welcome to the Ranch

It would appear that installing J2EE also installs the standard edition of Java™; you can see the downloads here. I don't think you can do any harm by installing J2SE twice. You will probably have to install Tomcat separately, however.
Radek Ischyrion

Joined: Oct 21, 2010
Posts: 7
I got it to work I think. Time to practice coding. Many thanks for all helpful suggestions !

thanks and regards, Radek
I agree. Here's the link:
subject: Clarification required J2EE, Tomcat, SDK, J2SE
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