NetBeans IDE 8.0 was finally released on March 18, 2014, which provides out-of-the-box code analyzers and editors for working with the latest Java 8 technologies.
Besides the Java 8 support, the IDE also has a range of new enhancements that further improve its support for Maven and Java EE with PrimeFaces; new tools for HTML5, in particular for AngularJS; and improvements to PHP and C/C++ support. See the release note for more details.
Install NetBeans IDE 8.0:
1. Download the installer:
NetBeans IDE 8.0 works better and faster with JDK distribution, so you can download the oracle’s Co-bundled package from the links below. You may check your OS type 32-bit (x86) or 64 bit (x64) via System Settings -> Details.
Download the Linux x86 or x64 package
You can also download the other bundles at netbeans.org/downloads/.
2. Give executable permission.
Press Ctrl+Alt+T on your keyboard to open the terminal. When it opens, run the command below to make the installer executable.
chmod +x ~/Downloads/jdk-8-nb-8-linux-*.sh
You may change the file name “jdk-8-nb-8-linux-*.sh” in the code to yours, also do this in next command.
3. Start the installer:
In the terminal run:
cd ~/Downloads && ./jdk-8-nb-8-linux-*.sh
This will bring up the install wizard. Just follow it and you’ll finally get the NetBeans IDE 8 installed on your system.
(Optional) To uninstall the IDE, run
./uninstall.sh in the install directory.
That’s it. Enjoy!
Source : http://ubuntuhandbook.org/index.php/2014/03/install-netbeans-ide-8-0-in-ubuntu-14-0413-1012-04/