Install Eclipse Luna on Ubuntu 12.04

Download latest Eclipse from

https://www.eclipse.org/downloads/

tar xvzf eclipse-java-luna-SR1-linux-gtk-x86_64.tar.gz

sudo mv eclipse /opt

sudo vi  /usr/share/applications/eclipse.desktop

[Desktop Entry]
Name=Eclipse 
Type=Application
Exec=/opt/eclipse/eclipse
Terminal=false
Icon=/opt/eclipse/icon.xpm
Comment=Integrated Development Environment
NoDisplay=false
Categories=Development;IDE;
Name[en]=Eclipse Luna