Thursday, May 20, 2010

How to install Sun Java 6 on Ubuntu 10.04

As usual, doing an upgrade for Ubuntu removed some things I'd had installed.  The main annoyance is Java.  I do java development for a living.  All of my customers use Sun Java, no one uses OpenJDK.  While the idea of installing OpenJDK is great, it's just not ready for prime time.  Furthermore, if I had Sun Java installed already, why remove it?  Ubuntu has made it even more cryptic on how to install Sun Java.  Here are the steps:

sudo add-apt-repository "deb lucid partner"
sudo apt-get update
sudo apt-get install sun-java6-jdk sun-java6-plugin

Once the install is complete, do:

sudo update-alternatives --config java

and select Sun Java.

Confirm by running:

java --version

You should see:

java version "1.6.0_20"
Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing)

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