Install latest version of netbeans i.e. not from package manager

Download from http://netbeans.org

From terminal

CD to the directory where downloaded the netbeans installer exists - eg. downloads

$ chmod +x netbeans-6.9-ml-linux.sh
$ sudo ./netbeans-6.9-ml-linux.sh

where netbeans-6.9-ml-linux.sh is the current version.

to uninstall

sudo ./uninstall.sh --javahome /usr/lib/jvm/java-6-sun-1.6.0.22