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Replace openjdk7 with sun-java 1.6 in ubuntu

Note that I'm using ubuntu 11.10 Oneiric Ocelot

1.) Execute the following commands:


sudo apt-get install python-software-properties
sudo add-apt-repository ppa:ferramroberto/java
sudo apt-get update
sudo apt-get install sun-java6-jdk sun-java6-plugin

2.) Make sun-java the default jdk:


sudo update-alternatives --config java

3.) It should show


Selection    Path                                      Priority   Status
------------------------------------------------------------
* 0            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      auto mode
  1            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      manual mode
  2            /usr/lib/jvm/java-6-sun/jre/bin/java       63        manual mode
 
Press enter to keep the current choice[*], or type selection number: 2

4.) Verify that you have the correct java sdk installed


java -version

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