Eclipse shortcut commonly used in Android development

Close all windows
Ctrl + Shift + W to close all open editing windows

Rename
Alt + Shift + R to rename the file or variable (select the Chinese part or variable first and then press the shortcut key at the same time)

Quick lead-in
Ctrl + Shift + O automatically imports the required packages and removes the extra import statements

Code formatting
Ctrl + Shift + F to format the code

Deletion and copying of lines of code
Ctrl + D deletes the row where the cursor is
Ctrl + Alt + ↑ Copy and paste the row where the cursor is located

File or method lookup
Ctrl + Shift + R to open the resource window (quickly find files such as .java, . xml file)
Ctrl + O to quickly find methods in the current class

Look for the same marker
Ctrl + K to look for the next identical marker
Ctrl + Shift + K to look for the same marker for the previous one

Case conversion
Ctrl + Shift + X selects everything to be converted to uppercase
Ctrl + Shift + Y to convert all selected content to uppercase

File saving
Ctrl + S to save the current file
Ctrl + Shift + S to save all unsaved files