Showing and hiding method return types
Several Java views (e.g. Outline, Members) present methods and can also show their return types.
To show method return types in Java views:
- Open the Window > Preferences > Java > Appearance
page and select the Show method return types checkbox
To hide method return types in Java views:
- Clear the Show method return types checkbox
in the Window > Preferences > Java > Appearance
page

Showing and hiding elements
Filtering elements

Appearance preference page
Package Explorer