How do you install Intellij IDEA on Ubuntu?

Problem statement: How do you install intellij IDE on Ubuntu?

$> sudo apt-add-repository ppa:mmk2410/intellij-idea 

$> sudo apt-get update

• The community edition can then installed with

$> sudo apt-get install intellij-idea-community

• and the ultimate edition with

$> sudo apt-get install intellij-idea-ultimate