Ctrl + Shift + F : quickly format the source code
Ctrl + Shift + O : quickly organize the import sections.
Ctrl + '/' : quickly note/de-node the source code
Ctrl + E : open source file
Ctrl + Alt+ 'up' : copy current line and insert it into current position
Ctrl + Alt + 'down' : copy current line and insert it into next line.
Ctrl + D : delete current line
Ctrl + 'Z' : undo the latest operation
Ctrl + 'Y' : repeat the canceled operation
Ctrl + Alt + '/' : in xml editor, quickly note the SELECTED lines
Ctrl + Alt+ '\' : in xml editor, quickly de-note the SELECTED lines