IDE for OOP in JAVA .... have it a try

I would __highly suggest__ using [BlueJ | http://bluej.org] for anyone who wants to start learing (or teaching) OOP with Java. It really seems to be good startup IDE. It also supports Unit testing and some extensions.\\ Have a nice BlueJ \\ And Sun sees its benifits now, they have just announced the NetBeans IDE/BlueJ Edition http://www.jaxmag.com/itr/news/psecom,id,27342,nodeid,146.html