look at the portal-samples-war in the core package (everything that is in the Test page and its subpages)
i can't find the source code of these portlets ?
is there somwhere where i can download the portlets samples of JBP2.2 ?
the code is in
Is the Inter-Portlet-Communication JBoss specific or part of the standard?
There is no IPC in the portlet 1.0 spec.
However, it is on the todo list for the portlet 2.0 spec (JSR 286).