1. Build/compile
Ctrl + F9: build project
This shortcut key is equivalent to the menu【Build】—>【Build Project】
After executing this command, IntelliJ IDEA will compile all classes in the project and output the compilation results to outthe directory. IntelliJ IDEA supports incremental builds, and only compiles modified classes based on the last build.
Ctrl + Shift + F9: recompile the current class
This shortcut key is equivalent to the menu【Build】—>【Recompile 'class name'】
Open the class to be compiled in IntelliJ IDEA, and execute this command to compile the current class.
2. Text editing
Ctrl + X: cut
Cut the selected text, or cut the current line if it is not selected.
Ctrl + C:copy
Copy the selected text, or copy the current line if it is not selected.
Ctrl + V: Paste
Ctrl + Alt + Shift + V: paste as plain text
Ctrl + Shift + V: Select paste from history
Select content to paste from the history cut and paste.
Ctrl + D: Copy row
Copy the line where the cursor is located.
Ctrl + Shift + C: copy file path
Copy the path where the selected file is located.
Ctrl + Alt + Shift + C: copy reference
Copy the path of the package, or the name of the class.
Ctrl + S: save all
Ctrl + Z: undo
Undo the content of the previous operation.
Ctrl + Shift + Z: redo
Redo the undone content in the previous step.
Tab:indentation
Shift + Tabl: unindent
Ctrl + Alt + I: auto-indent lines
Automatically indent to canonical position.
Shift + Enter: start a new line
Start a new line regardless of whether the cursor is at the end of the line.
Ctrl + Alt + Enter: start a new line before the current line
Ctrl + Y: delete row
Delete the current line.
Ctrl + Shift + U: case conversion
Ctrl + Alt + Shift + Insert: Create a temporary file
Various types of temporary files can be created that are not saved to disk.
Shift + F4: open in a new window
Open the current file in a new window.
3. Cursor operation
Ctrl + Left: Move one word to the left
Ctrl + Right: Move right one word
Home: move to the beginning of the line
End: move to the end of the line
Ctrl + Shift + M: move to braces
Press the shortcut key multiple times to switch between the left and right braces.
Ctrl + [: move to the beginning of the code block
Ctrl + ]: move to the end of the code block
Alt + Down: next method
Alt + Up: previous method
Ctrl + PageUp: move to the top of the page
Ctrl + PageDown: move to the bottom of the page
PageUp: page up
PageDown: page down
Ctrl + Home: move to the beginning of the file
Ctrl + End: move to the end of the file
4. Text Selection
Ctrl + A:select all
Shift + Left: select left
Shift + Right: select right
Ctrl + Shift + Left: Select a word to the left
Ctrl + Shift + Right: Select a word to the right
Shift + Home: Select left to the beginning of the line
Shift + End: Select right to the end of the line
Shift + Up: select up
Shift + Down: select down
Ctrl + Shift + [: Select to the beginning of the code block
Ctrl + Shift + ]: Select to the end of the code block
Ctrl + Shift + PageUp: select to the top of the page
Ctrl + Shift + PageDown: select to the bottom of the page
Shift + PageUp: page up selection
Shift + PageDown: Scroll down to select
Ctrl + Shift + Home: select to file switch
Ctrl + Shift + End: Select to the end of the file
Ctrl + W: Extended selection
Ctrl + Shift + W: shrink selection
5. Code folding
Ctrl + NumPad+: expand the code block
Ctrl + NumPad-: fold code block
Ctrl + Alt + NumPad+: recursive expansion
Ctrl + Alt + NumPad-: recursive fold
Ctrl + Shift + NumPad+: expand all
Ctrl + Shift + NumPad-: Collapse all
Ctrl + .: Collapse selection
6. Multiple carets and range selection
Alt + Shift + Click: add/remove caret
Alt + Shift + Insert: toggle column selection mode
Double click Ctrl+ Up: Clone caret up
Press the keyCtrl twice, then press the Up Arrow key without releasing it.
Double click Ctrl+ Down: Clone the caret down
Press the keyCtrl twice, then press the Down Arrow key without releasing it.
Alt + Shift + G: add the caret to each line in the selection
Alt + J: Select the position where the unit will appear next
Alt + Shift + J: Cancel the last selection
Ctrl + Alt + Shift + J: select all occurrences
Alt + Shift + Middle-Click: Create a rectangular selection
Alt + Click: Drag to create a rectangular selection
Ctrl + Alt + Shift + Click: Drag to create multiple rectangular selections
7. Auxiliary coding
Alt + Enter: Show suggested actions
This shortcut key is also called "Wantong shortcut key", and it will suggest different operations according to different contexts. The demo below is just one of them, there are many usages, you can try it.
Ctrl + Space: code completion
Ctrl + Shift + Space: type matching code completion
Ctrl + Alt + Space: Second code completion
Ctrl + Shift + Enter: Complete the current statement
Ctrl + Alt + L: formatting code
Ctrl + P: parameter information reminder
Ctrl + Q: Quick Documentation
Ctrl + Shift + Up: move statement up
Ctrl + Shift + Down: Move statement down
Ctrl + Alt + Shift + Left: move element to the left
Ctrl + Alt + Shift + Right: move element to the right
Alt + Shift + Up: move up the queue
Alt + Shift + Down: move down the queue
Ctrl + /: add line comment
Ctrl + Shift + /: add block comment
Alt + Insert: production statement
Eight, contextual navigation
Alt + Down: Jump to the next method
Alt + Up: Jump to the previous method
Ctrl + G: Jump to the specified line
Ctrl + Tab: switch active file
Alt + F1: select the location of the file
Ctrl + E: most recent files
Ctrl + Shift + Backspace: Return to the last edit position
Ctrl + Alt + Left: back
Ctrl + Alt + Right:go ahead
Ctrl + Alt + Down: next event
Ctrl + Alt + Up: previous event
Alt + Right: Select the next tab
Alt + Left: Select the next tab
F11: Toggle anonymous bookmarks
Ctrl + Shift + [digit]: Toggle bookmarks with numbers
Ctrl + F11: switch bookmarks using particle
Shift + F11: show all bookmarks
Ctrl + [digit]: jump to a bookmark with a number
Alt + 7: show structure window
Alt + 3: Display the search window
Nine, search operation
double click Shift: find all
Ctrl + F: Find characters (current file)
F3: Find the next
Shift + F3: Find previous
Ctrl + R: replace character (current file)
Ctrl + Shift + F: find characters (all files)
Ctrl + Shift + R: replacement character (all files)
Ctrl + F3: Jump to the next position of the word at the cursor
Ctrl + Shift + N: Find the file and jump
Ctrl + F12: open file structure
Ctrl + Alt + Shift + N: Find symbols (variables, methods, etc.)
Ctrl + Shift + A: find action
10. Symbol Navigation
Alt + F7: find usage
Ctrl + B: Jump to declaration
Ctrl + Shift + B: Jump to the declaration class
Ctrl + Alt + F7: show usage
Ctrl + U:jump to super method
Ctrl + Alt + B: jump to implementation method
Ctrl + Shift + F7: highlight usages in the file
Eleven, code analysis
Alt + Enter: show intent action
Ctrl + F1: show error description
F2: the next highlighted error
Shift + F2: previous highlighted error
Ctrl + Alt + Shift + I: run check by name
Alt + 6: show the problem window
12. Operation and debugging
Double click Ctrl: run all
Shift + F10: run context configuration
Alt + Shift + F10: Open the run window
Shift + F9: Debug context configuration
Alt + Shift + F9: Open the debug window
Ctrl + Alt + F5: attach to process
Ctrl + F2:stop
F9: run to the next breakpoint
Ctrl + Shift + F2: Stop the background process
F8: across calls
Alt + Shift + F8: force across calls
F7: enter call
Shift + F7: smart entry call
Alt + Shift + F7: force entry call
Shift + F8: jump out of the call
Alt + F9: run to the cursor
Ctrl + Alt + F9: force to run to the cursor
Alt + F10: show execution point
Alt + F8: evaluate expression
Ctrl + Alt + F8: Quickly evaluate expressions
Ctrl + F8: toggle line breakpoint
Ctrl + Alt + Shift + F8: toggle temporary line breakpoint
Ctrl + Shift + F8: view breakpoint
Ctrl + Shift + F8: edit breakpoint
Alt + 4: show the running window
Alt + 5: show debug window
Alt + 8: Show the service window
Thirteen, code refactoring
Ctrl + Alt + Shift + T: open refactoring list
Shift + F6: modify the name
Ctrl + F6: modify signature
Ctrl + Alt + N: inline
F6:move
Ctrl + Alt + M:Extraction Method
Ctrl + Alt + F: import domain
Ctrl + Alt + P: import parameters
Ctrl + Alt + V: import variable
Alt + Delete: safe delete
Fourteen, global CVS operation
`Alt + `` : Pop up the CVS window
Ctrl + K:submit
Ctrl + T: update item
Ctrl + Alt + Z: rollback
Ctrl + Shift + K:Pull
Ctrl + Alt + Shift + Down: next modification
Ctrl + Alt + Shift + Up: last modification
Alt + 9: Show version control window
Alt + 0: show commit window
15. Difference Viewer
F7: next difference
Shift + F7: previous diff
Ctrl + Alt + R: accept the left
Ctrl + Alt + A: accept the right
Ctrl + Shift + Tab: Select the opposite diff pane
Ctrl + Shift + D: Show diff settings window
16. Tool window
Shift + Escape: Hide the active tool window
Ctrl + Shift + F12: hide all tool windows
F12: jump to the last tool window
Ctrl + Alt + Shift + Left: Extend the window size to the left
Ctrl + Alt + Shift + Right: Extend the window size to the right
Ctrl + Alt + Shift + Up: Extend the window size to the top
Ctrl + Alt + Shift + Down: Extend the window size to the bottom
Alt + 1: Show project window
Alt + 2: Show bookmark window
Alt + 3: Display the search window
Alt + 4: show the running window
Alt + 5: show debug window
Alt + 6: show the problem window
Alt + 7: show structure window
Alt + 8: Show the service window
Alt + 9: Show version control window
Alt + 0: show commit window
Alt + F12: show terminal window
