Use the Navigation Bar as a handy tool to find your way across the project.

To navigate to a file using the Navigation bar
  1. Press ⌘↑⌥↖⌥⌘B⌥↖⌥↖ to activate the Navigation bar.
  2. Use the arrow keys or the mouse pointer to locate the desired file.
  3. Double-click the selected file, or press ⏎⏎⏎⏎⏎ to open it in the editor.

To jump to Java methods, use breadcrumbs.