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NNTP-Posting-Date: Sun, 22 Jun 2014 02:33:44 -0500
Date: Sun, 22 Jun 2014 08:33:44 +0100
From: lipska the kat <lipskathekat@example.com>
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Subject: Re: Where is Java class located on Linux systems?
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On 22/06/14 04:52, Tom Tylor wrote:
> Hi all,
>
> For the "import ...;" lines, I just wonder where the class files are located on my system. Can anyone help?
>
> Thanks!
>
> Best,
> Tom
>

Thew short answer is ... it depends

On my particular Ubuntu Linux 12.04 LTS dev box I install the JDK 
locally, which allows me to log into different accounts to use different 
versions (there are other ways to do this).

So, my rt.jar resides in
/home/lipska/java/jdk1.7.0_51/jre/lib

I have a source directory
~/source/java for the source code

and a class directory
~/java/classes for the compiled classes

I add this directory tree to the IDE classpath

I also have a CentOS based system running as a server

java is installed in /opt/jdk1.7.0_51 so the rt.jar resides in
/opt/jdk1.7.0_51/jre/lib

My applications are deployed as jar files which are made available to 
the server by adding them to the server classpath which is usually done 
automatically if you deploy to the default location.

Finally, you can usually discover a class file (not encapsulated in a 
jar file) on systems that have the 'locate' facility as follows

$ sudo updatedb
$ locate SomeClass.class


-- 
lipska the kat - treacherous feline.
Proudly nominated for IPOTY 2014 - LIGAF
GNU/Linux user #560883 - linuxcounter.net