intellij-idea Little-known features Quick Preview
Example
Check screencast video on YouTube about this feature
IntelliJ provides a quick-preview feature called Viewing Definition. Using this feature allows a user to quickly see the contents of a method/class without navigating into the class itself
- OS X - (⌘+Y) or (⌥+Space)
- Unix / Windows - Ctrl+Shift+I
Example: Looking into Arrays.copyOfRange():
Verifying if you've selected the right class in Search:
Or a quick look at some project files:
