This article will answer following questions
- I have installed Open JDK from Ubuntu software center now I want to set Oracle Java as my default Java lib how to do?
- I have installed Elcipse from Ubuntu software center, now I want Oracle java as default java lib what to do?
Very simple, just follow below steps one by one.
- Download Oracle Java
- Make sure its installed under /usr/lib/jvm directory
- We have installed and tested jdk1.6.0_07 successfully with Ubuntu 12.04 and tested and working fine.
Update from Openjdk to Oracle jdk
sudo update-alternatives –install “/usr/bin/java” “java” “/usr/lib/jvm/jdk1.6.0_07/bin/java” 1
sudo update-alternatives –install “/usr/bin/javac” “javac” “/usr/lib/jvm/jdk1.6.0_07/bin/javac” 1
sudo update-alternatives –install “/usr/bin/javaws” “javaws” “/usr/lib/jvm/jdk1.6.0_07/bin/javaws” 1
sudo update-alternatives –install “/usr/bin/jar” “jar” “/usr/lib/jvm/jdk1.6.0_07/bin/jar” 1
the following is obsolets if there are no alternatives
sudo update-alternatives –config java
sudo update-alternatives –config javac
sudo update-alternatives –config javaws
sudo update-alternatives –config jar