eclipse for mac shortcut keys

Command + O: Show outline
Command + D: Delete current line
Command + Option + ↓: Copy current line to next line
Command + Option + ↑: Copy current line to previous line
Option + ↓: Interaction between current line and next line
Option + ↑: Interaction between the current line and the previous line
Option + Return: Display the properties of the currently selected resource
Shift + Return: Insert an empty line in the next line of the current line
Shift + Control + Return: Insert an empty line in the current line
Control + M: Maximize The current Edit or View (press again to minimize)
Control + /: Comment the current line, press again to uncomment
Command + T: Quickly display the inheritance structure of the current class
Command + W: Close the current Editor
Command + E: Quickly display the current Editor's drop-down list (if the current page is not displayed in bold)
Option + /: Code Assistant completes the insertion of some code (commonly known as "Intelligent Tips")
Command + Shift + W: Close all open Editors
Command + Shift + X: Change all the currently selected text to uppercase
Command + Shift + Y: Change all the currently selected text to lowercase
Command + Shift + F: Format the current code