I can’t believe I’ve been using Eclipse for - what? - 4 or 5 years now without using Quick Access.
Sidebar - I’ve long been promoting Eclipse’s excellent menu search. It lets you search menu windows for each and every preference and value. For example, consider looking for how to enable print margin display (for keeping your code from exceeding 80 character rows; you do that, right?). Imagine sifting through this intricate hierarchy of menus: