Command + O: Show outline
Command + 1: Quick fix
Command + D: delete When moving forward
Command + Option +↓: Copy the current line to the next line
Command + Option +↑: Copy the current line to the previous row
Option +↓: The current line and the following line interact with the location
Option +↑: The current line and the previous row interact with the position
Option +←: Previous edited page
Option +→: Next edited page
OPTION + Return: Displays the properties of the currently selected resource
Shift + Return: Inserts a blank line on the next line in the current row
Shift + Control + Return: inserting blank rows in the current line
Control + Q: Navigate to the last edit place
Control + M: Maximizes the current edit or view (and then minimizes)
Command + Shift + J: Reverse Incremental Lookup
Command + Shift + X: Turns the currently selected text all uppercase
Command + Shift + Y: Turns the currently selected text all lowercase
Command + Shift + F: Formatting the current code
Command + Shift + P: Navigates to the match (for example {}) (after locating from the front, the cursor is in the match, back to front, or vice versa)
Option + Command + R: rename (especially the rename effect of variables and classes)
Option + Shift + M: Extract Method (This is one of the most common methods of refactoring, especially useful for a whole bunch of mud codes)
Option + Command + C: Modify the function structure (there are n functions called this method, the modification is done)
Option + Command + L: Extract local variables (you can directly extract some magic numbers and strings into a variable, especially when multiple calls)
Option + Shift + F: Change the local variable in class to a field variable (more useful)
Command + Shift + W: Close all open editer
Command +/: Comment on the current line, and then cancel the comment
Command + T: Quickly display the inheritance structure of the current class
Command + K: Quickly navigate to the next page, referring to the currently selected word
Command + E: Quickly displays the current Editer drop-down list (in bold if the current page does not appear)
Option +/: Code helper to complete some code insertion (commonly known as "smart tip")
Command + Shift + E: Displays the manager that manages all of the currently open view
Command + J: Forward incremental lookup (after pressing COMMAND + j, each letter editor you enter provides a quick match to navigate to a word, if not, it is not found in Stutes line)
MAC Eclipse shortcut keys