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To install java on debian 6, I used

add-apt-repository "deb http://archive.canonical.com/ lucid partner"
sudo apt-get update
sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts

The installation finished without any errors. But when I test the current version (java --version), I still get 1.5.0, and not 1.6.x?! Where is the mistake? Do I have to perform some other steps to install Java 6?

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up vote 2 down vote accepted

On Debian and Debian-based systems usually /usr/bin/java is just a symlink to /etc/alternatives/java. The reason for this design is that many versions of the same software can coexist together (in your case Java 1.5 and 1.6).

Run:

sudo update-alternatives --config java

to choose default Java version.

For further information on updates-alternatives see:

http://www.debian-administration.org/articles/91

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Nice, thank you very much!! – strauberry May 9 '11 at 9:29

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