This lesson will guide you through the steps of creating
the Java class needed to handle
the customized open menu.
The context menu you will create is a collection of actions,
separators, and action groups that contain a smaller collection of
actions. For this exercise, you will create a class,
MainActionGroup that
will make up the context menu. You will also create another class,
OpenActionGroup that
will override the default open group option.
To create these classes: