The idea of commonly used shortcut key

idea's frequently used shortcut keys

Alt+Enter to import the package and automatically correct it

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 methods, constructors, etc.)

Ctrl+E or Alt+Shift+C recently changed code

Ctrl+R replace text

Ctrl+F find text

Ctrl+Shift+Space autocomplete code

Ctrl+space code hint

Ctrl+Alt+Space class name or interface name prompt

Ctrl+P method parameter prompt

Ctrl+Shift+Alt+N Find a method or variable in a 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 Autocode

Ctrl+E recently opened files

Ctrl+H show class structure diagram

Ctrl+Q show commented document

Alt+F1 to find the location of the code

Alt+1 Quickly open or hide the project panel

Ctrl+Alt+ left/right to return to last viewed location

Alt+ left/right switch code view

Alt+Up/Down to move quickly between methods

Ctrl+Shift+Up/Down Code moves up/down.

F2 or Shift+F2 to highlight errors or warnings for quick location

After entering the code tag, press Tab to generate the code.

Select text, press Ctrl+Shift+F7 to highlight all the text, press Esc to highlight disappear.

Ctrl+W to select the code, continuous pressing will have other effects

Select the text, press Alt+F3, find the same text one by one, and highlight it.

Ctrl+Up/Down cursor jumps to the first or last line

Ctrl+B Quickly open the class or method at the cursor

Intellij IDEA most frequently 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, you 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, then statements, then lines, then functions

11.Alt+F1 can position the element being edited in each panel

12.Ctrl+P, can display parameter information

13.Ctrl＋Shift＋Insert can select the clipboard content and insert it

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 wrap the code in one piece, such as try/catch

17.Alt＋Up and Alt＋Down can move quickly between methods