Java Installation in Linux (Ubuntu)

Remove Older One....

$ aptitude remove openjdk-6-jre openjdk-6-jre-headless openjdk-6-jre-lib

Java Installation

$ sudo apt-get install sun-java6-bin sun-java6-jre sun-java6-jdk

Setup the Default Java Version

$ sudo gedit /etc/jvm

/usr/lib/jvm/java-6-sun

/usr/lib/jvm/java-gcj

/usr/lib/jvm/ia32-java-1.5.0-sun

/usr/lib/jvm/java-1.5.0-sun

/usr

$ sudo gedit $HOME/.bash_profile

Set Path

export JAVA_HOME=/usr/lib/jvm/java-6-sun

export PATH=$PATH:$JAVA_HOME/bin