Changing the case of a string in Eclipse
By default, the hotkeys:
CTRL+SHIFT+Y changes to lowercase.
CTRL+SHIFT+X changes to UPPERCASE.
Or, on a Mac:
⌘+⇧+Y changes to lowercase.
⌘+⇧+X changes to UPPERCASE.
You can see all shortcuts of eclipse by pressing:
CTRL+SHIFT+L
Help-> Key assist
You will get all of eclipse's shortcuts.