Java Hovers Preferences
Indicate your preferences for the Hovers settings on the Java > Editor > Hovers preference page.
Option
Description
Default
Expand vertical ruler icons upon hovering
If enabled, when there are multiple icons per line shown on vertical ruler, then the icons are expanded when hovering over it. This allows to see all icons. Changing this preference does not affect already opened editors.
Off
Text Hover key modifier preferences
The selected hovers in this list are used to generate the hover content. A key modifier can be given to each hover type to force the editor to only evaluate this hover when pressing the assigned key modifier.
Combined Hover, Source (with Shift)