It's easy to navigate from a file in a view to an editor showing the file. Just double-click the file in the view. However, what if you want to go backward; from the editor showing a file to the view showing that file?
2.10.2 Solution
Select Navigate Show In, and select the view you want from those that appear in the submenu.
2.10.3 Discussion
For example, if you're editing a Java file, select Navigate Show In, and the Package Explorer will open . The file you're currently editing will be selected.