Idea commonly used shortcut keys
Alt+Enter to import the package, automatic correction
Ctrl+N find class
Ctrl+Shift+N find file
Ctrl+Alt+L format code
Ctrl+Alt+O optimize imported classes and packages
Alt+Insert generates code (such as get, set method, constructor, etc.)
Ctrl+E or Alt+Shift+C recently changed code
Ctrl+R replace text
Ctrl+F find text
Ctrl+Shift+Space auto-completion code
Ctrl+space code hint
Ctrl+Alt+Space class name or interface name prompt
Ctrl+P method parameter prompt
Ctrl+Shift+Alt+N find methods or variables in the class
Alt+Shift+C compare recently modified code
Shift+F6 Refactor-Rename
Ctrl+Shift+up arrow
Ctrl+X delete line
Ctrl+D copy line
Ctrl+/ or Ctrl+Shift+/ comment (// or / … /)
Ctrl+J automatic code
Ctrl+E Recently opened files
Ctrl+H Display class structure diagram
Ctrl+Q show annotation document
Alt+F1 Find the location of the code
Alt+1 quickly open or hide the project panel
Ctrl+Alt+ left/right Return to the last browsed position
Alt+ left/right switch code view
Alt+ Up/Down to quickly move positioning between methods
Ctrl+Shift+Up/Down code moves up/down.
F2 or Shift+F2 to highlight errors or warnings and quickly locate
After entering the code label, press Tab to generate the code.
Select the text, press Ctrl+Shift+F7 to highlight all the text, and press Esc to highlight it and disappear.
Ctrl+W select the code, continuous pressing will have other effects
Select the text and press Alt+F3 to find the same text one by one and highlight it.
Ctrl+Up/Down cursor jump to the first or last line
Ctrl+B quickly open the class or method at the cursor
Intellij IDEA most commonly used shortcut keys
1. Ctrl+E, you can display the list of recently edited files
2. Shift+Click can close the file
3. Ctrl+[or] can jump to the beginning and end of braces
4. Ctrl+Shift+Backspace can jump to the last edited place
5. Ctrl + F12, can display the structure of the current file
6. Ctrl+F7 can query the reference of the current element in the current file, and then press F3 to select
7. Ctrl+N, you can quickly open the class
8. Ctrl + Shift + N, you can quickly open the file
9.Alt+Q can see the declaration of the current method
10. Ctrl+W can select words and then sentences and then lines and functions
11.Alt＋F1 can position the editing element in each panel
12. Ctrl+P, can display parameter information
13. Ctrl＋Shift＋Insert can select the clipboard content and insert
14.Alt＋Insert can generate constructor/Getter/Setter etc.
15. Ctrl+Alt+V can introduce variables. For example, assign the SQL in parentheses to a variable
16. Ctrl+Alt+T can pack the code in one piece, such as try/catch
17. Alt＋Up and Alt＋Down can move quickly between methods