How to set JAVA_HOME in Ubuntu

This is replication of blog written by dshuck on Mar-21-09 6:32am

From: daveshuck.instantspot.com 

To install Oracle/Sun Java please refer to How to install Java in Ubuntu post.

Here I discuss, how to set JAVA_HOME variable and the PATH variable to your Java installation.

First using the terminal open the .bashrc which is at your home.

gedit ~/.bashrc

Now add the following to the end of the file.

JAVA_HOME=/usr/lib/jvm/java
export JAVA_HOME
PATH=$PATH:$JAVA_HOME/bin
export PATH

NOTE: If /usr/lib/jvm/java does not match the actual JAVA_HOME path in your environment, then set the actual JAVA_HOME, where you have installed Java in your machine.

Now run,

source ~/.bashrc

Then, try running the following commands and check whether your getting the appropriate responses:

echo $JAVA_HOME
/usr/lib/jvm/java
echo $PATH
:/usr/lib/jvm/java/bin

 If it not work try after restarting