Eclipse inspection (Ctrl + Shift + I) equivalent in IntelliJ IDEA (Community Edition)
Quick evaluate expression
with Ctrl + Alt + F8 (or on a Mac: Cmd + Opt + F8) gives me exactly what I want.
Do you mean "Evaluate expression" action Alt + F8?
Many more useful shortcuts are in Intellij Reference Card.
Ctrl + Alt + F8 will work. This shortcut may trigger the Intel HD Graphics hotkey for resetting display settings.
Alt + Left Mouse Key
will also work.
If you want to view/edit the shortcuts, you can go to Settings
(Ctrl + Alt + S) -> Keymap
and search for Quick Evaluate Expression