Idea shortcut keys

One 、IDEA Common shortcut key

It can be done by IDEA menu bar Help -> Keymap Reference see

Two 、 View shortcut key functions and modifications

3、 ... and 、 Common shortcut key

Here are the shortcuts I will use in my work and study

notes ： The following shortcut keys are followed by * Indicates that it is very common

3.1 ALT

Shortcut key	meaning
ALT + 7	Display the current class structure
ALT + Delete	Safe deletion
ALT + Enter*	Display the list of intelligent operations
ALT + F1	Select the current class to display it in multiple views
ALT + F7	view classes / Method / attribute / Usage of parameters
ALT + Insert*	Generate get/set/toString Etc
ALT + Q	Display context information , Class name information is displayed in the class file

3.2 ALT + SHIFT

Shortcut key	meaning
ALT + SHIFT + ↑*	Move the selected code up
ALT + SHIFT + ↓*	Move the selected code down
ALT + SHIFT + F	Add to Favorites

3.3 CTRL

Shortcut key	meaning
CTRL + A*	Future generations
CTRL + B / CTRL + LEFT*	Jump to class / Method / Attribute definitions
CTRL + C*	Copy
CTRL + D	Copy the current row or selected block
CTRL + E*	Show a list of recently opened files
CTRL + F*	Find the current page
CTRL + G	The current page jumps to a certain line
CTRL + H	Display the current cursor selection class inheritance relationship
CTRL + I	Methods that implement parent classes or interfaces
CTRL + J	Select code template insert
CTRL + K	Submit git
CTRL + L	After search , Find the next one
CTRL + M	Scroll to the center of the page on the line of the current mouse
CTRL + N*	Find the class
CTRL + O*	Select the method in the parent class or interface to implement ( Than Ctrl + I More , This contains ancestor classes )
CTRL + P	Display the parameter information of the method
CTRL + Q	Document information of the display method
CTRL + R	Replace the current page
CTRL + S	preservation
CTRL + T	git Update project
CTRL + U	Jump to the parent class or interface of the current class
CTRL + V*	Paste
CTRL + W	Expand mouse selection
CTRL + X*	shear
CTRL + Y	Delete row
CTRL + Z*	revoke
CTRL + BackSpace	Delete the cursor to select the front part of the word
CTRL + Delete	Delete the cursor to select the part after the word
CTRL + End	Jump to the end of the file
CTRL + Enter	Split line , Move the back part of the cursor down to a line
CTRL + F1	Display specific information about the error or warning
CTRL + F2	Stopped program
CTRL + F4	Close the current edit file
CTRL + F6	Modify method signature
CTRL + F7	Where the cursor is 、 attribute 、 Parameters , Jump from the current file declaration location to the use location
CTRL + F8	Breaking point
CTRL + F9	compile
CTRL + F11	Use bookmark function , Mark the line of code where the cursor is located as a bookmark
CTRL + F12	List all methods and properties in the class
CTRL + HOME	Jump to the file header
CTRL + TAB	Jump to the recently opened file
CTRL + [	Move the cursor to the {
CTRL + ]	Move the cursor to the }
CTRL + /*	Comment on the current line of code , If it has been commented, cancel

3.4 CTRL + SHIFT

Shortcut key	meaning
CTRL + SHIFT + Enter	by if Add braces to the statement
CTRL + SHIFT + F*	Powerful search
CTRL + SHIFT + F7	Highlight the cursor to select objects using
CTRL + SHIFT + I	Display method / Definition of attributes
CTRL + SHIFT + N	Find files
CTRL + SHIFT + T*	Generate test method
CTRL + SHIFT + V	From the current buffer Middle stick
CTRL + SHIFT + /*	Comment on the current code block , If it has been commented, cancel

3.5 CTRL + ALT

Shortcut key	meaning
CTRL + ALT + C*	Change the attribute to a constant
CTRL + ALT + I	Indent Cursor in line
CTRL + ALT + Ins	New file , Class etc.
CTRL + ALT + L*	formatting code
CTRL + ALT + O*	Optimize , Remove useless import
CTRL + ALT + S	Open Settings
CTRL + ALT + T*	Select a template to generate code

Four 、 Other

1. Cancel automatic import *, stay setting->Editor->Code Style->Java->Imports modify
2. Check the submitter and time of each line of code , Right click on the left side of the row , choice Annotate

5、 ... and 、 Reference resources

1. IDEA Summary of commonly used shortcut keys