Eclipse in Ubuntu: hover background color property, where?

Question

I changed the background color that is visible when hovering code (to black). For example when you hover over a method, you see its signature in a box; I mean the background col

Answer 1

In KDE 11.10, System Settings->Application Appearance->Colors(on left)->Colors(tab)->Color Set->Tooltop->Normal Background. Mine was set to black, resulting in black on black in Eclipse.