Wanna UML in Netbeans?

Lets begin:

1) go to Tools->Plugins_>Settings->add
write to the url the following
http://dlc.sun.com.edgesuite.net/netbeans/updates/6.9/uc/m1/dev/catalog.xml
OK
2) go to available plugins, search for UML.
here it is. Install It :)

3) Go to new->Project->Uml.. Dont forget to find "Generate Code" from right click menu after model is ready ;)
4) And if you want to create UML from ready project - right click on project, and click to the reverse engeneering.