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This is an old revision of JavaRuntimeEnvironment made by darkcity on 2014-01-14 14:42:16.


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Java Runtime Environment

Java Runtime Environment runs programs written in Java. Not to be confused with JavaScript.

Install the appropriate package, newer versions should be more secure (1.7u45 October 2013):

Alternatively, use script to make package:

Packages may also be available in the SlickPet/QuickPet app.

Version Check and Enabling
Verify the installed version via the command-line interface:
java -version

Alternatively visit one of the following pages:
testjava (
version ( - finds even if disabled in browser

A symlink may need adding to the plugin directory, for example for seamonkey:
ln -s /usr/java/plugin/i386/ns7/ ~/.mozilla/plugins/

Web browser configuration confirmation (JavaScript needs to be enabled within the Web browser):
Enable Java: Tools > Options > LibreOffice > Java
Enable Java: Edit > Preferences > Advanced > Enable Java
Enable Java: Tools > Options > Content > Enable Java
Enable Java: Tools > Quick Preferences > Enable Plug-ins
Enable JavaScript: Tools > Quick Preferences > Enable JavaScript

Applications may need to be configured and re-started after installation.

Also on the Wiki
Java - page about the programming language

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