1. To show the Eclipse help, go to Help | Help Contents at the top of the application.
2. The Eclipse "Help" dialog provides a central place for help from all of the plugins to be merged into one place. The list of help topics that are available is on the left side of the screen and there you will see one topic labeled BlackBerry JDE Plug-in for Eclipse Guide. Expanding that node shows a more detailed list of help topics and at the bottom of that list is the API Reference. Click on that item.
This simple exercise simply demonstrated how to show the documentation about the SDK that comes with the environment. There are a number of topics available for Eclipse, BlackBerry, and even a few other things. The API reference is the most useful source of information though.
The BlackBerry documentation is formatted using Javadoc and is shown in the pane to the right of the contents tree. You can find the class that you are interested in by selecting...