Let's take a look at the Portlet Development Demo.
This is rational application developer which is the ideally for creating portal applications what I am going to do is I am going to very quickly create a portlet application and I am going to show why you need scheme like RAD why and how RAD really make sure life easy while developing portlets. We are not going into lot of details here, so I will very quickly create a portlet project, so we can just focus on the main things.