HowTo: set sun’s java enabled on Ubuntu

In order to enable sun’s java after installation through synaptic check list of ubuntu’s java alternatives :

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sudo update-java-alternatives -l

You should get something like this :

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java-1.5.0-sun 53 /usr/lib/jvm/java-1.5.0-sun
java-gcj 1042 /usr/lib/jvm/java-gcj

Now enable your preferred java alternative :

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sudo update-java-alternatives -s java-1.5.0-sun

Ensure that it’s enabled :

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:~$ java -version
java version "1.5.0_16"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-b02)
Java HotSpot(TM) Client VM (build 1.5.0_16-b02, mixed mode, sharing)