Android Studio Collapse definitions and methods

Question

How can I collapse all definitions and methods within the Android Studio editor?

Visual Studio has that option on Edit-->Outlining, but I cannot find

Answer 1

my macbookpro

shift + cmd + ¡ (character or button before delete) Expand All

shift + cmd + ' (character or button after zero) Collapse All

windows

ctrl + shift + + Expand All

ctrl + shift + - Collapse All