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I have used many different methods to install java because I want to get Minecraft working. I heared that if I uninstall Java it would installed Libre Office, which I do not want to do. I have a install of sun java, so I think what I'll do is delete all my OpenJDK copies, and Excess sun java 7 copies.

All I want is to rid myself of EVERYTHING JAVA except for one so I can stop feeling so java cluttered (among other things, no doubt I've got libreoffice all confused as to who to choose).

Screenshot from my /usr/lib/jvm folder:

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If you do that you'll lose several programs. LibreOffice is dependent on Java. So are a few other programs such as Eclipse IDE. You must REALLY be certain you want to purge Java first. Are you sure you want to do that? –  Thomas W. Jun 20 '12 at 14:19
Also, Minecraft only works with Sun (Oracle) Java. You cant use openjdk for it. –  Thomas W. Jun 20 '12 at 14:20
@LordofTime I don't plan on keeping it this way forever, obvious, I code in java> I want to purge my system of java, and from there, I can install java again using apt-get. Unless reinstalling breaks libreoffice, and eclipse, I should be ok. –  JXPheonix Jun 20 '12 at 14:24
@LordofTime yes, so I will probably install sun instead of openjdk –  JXPheonix Jun 20 '12 at 14:25
The uninstallation of Java (OpenJDK) with apt-get will uninstall LibreOffice. I strongly recommend you do not uninstall all your Javas before putting one back on (since the libreoffice package, last i checked, has openjdk as a dependency). Not sure why yuo have java 5 on your system, but the folders taht are links dont actually have content (they have the arrows on them), they link to other folders. I dont know what they link to though. –  Thomas W. Jun 20 '12 at 14:30

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