How to Install and configure Latest NetBeans 7.4 on Ubuntu 15.04 14.10 14.04 13.04 12.04

1)
Download Netbeans

2)
Remove OpenJDK
#sudo apt-get purge openjdk*



3)
Install Oracle Java JDK 7
http://fosshelp.blogspot.in/2013/10/how-to-install-oracle-java-7-in-ubuntu.html

4)
Install Netbeans
#sudo /bin/sh netbeans-7.4-php-linux.sh