Package Explorer
The package explorer in the Java Perspective includes FEAT's query action menus
to allow the user to use FEAT inside the Java Perspective. Using FEAT usually starts
within the Package Explorer.

There are several actions a user can take in the Package Explorer:
- The user can create a new concern graph
from the Package Explorer.
- The user can do queries in the Package Explorer.
- The user can load a concern graph file
from the Package Explorer.
- The user can add classes/methods/fields
to the concern from the Package Explorer.