Common programming shortcut keys of idea (take off after learning the operation)

IDEA Common programming shortcuts

Preface

IDEA Basically all functions can be accomplished through shortcut keys , If you have everything IDEA Using shortcut keys for , It will greatly improve your development efficiency , Let you be called the super. Achieve twice the result with half the effort .

Novice must master

Shortcut name	Shortcut key introduction
Ctrl+D	Copy line
Ctrl+O	Rewriting methods
Ctrl+X	Delete row
Alt+Insert	Quickly generate constructors /Getter/Setter etc.
Ctrl+N	Quick open class
Ctrl+F	Find the text
Ctrl+I	Implementation method
Ctrl+Y	Delete current row
Ctrl+Enter	Insert a line
Ctrl+X	Delete row
F2	Jump to the next highlight error or Warning location
Alt + F8	stay Debug Under the state of , Selected objects , The debug box for inputting calculation expression will pop up , View the debugging results of this input
Ctrl + Alt + O	Optimize imported classes , You can use... For the current file and the entire package directory
Ctrl + Alt + I	Cursor in line or Select parts for automatic code indentation , It's sort of like formatting
Ctrl + Alt + V	Quickly introduce variables （ Automatic completion method ）
Ctrl + Shift + R	Replace the corresponding content according to the input content , The scope is the whole project or Specify the files in the directory

Ctrl Shortcut key :

Shortcut name	Shortcut key introduction
Ctrl + F	Current file text search
Ctrl + R	Replace the current file text
Ctrl + Z	revoke
Ctrl + Y	Delete the cursor line
Ctrl + X	Cut the cursor line
Ctrl + C	Copy cursor line
Ctrl + D	Copy cursor line
Ctrl + E	Show a list of recently opened file records
Ctrl + N	Find the class file according to the entered class name
Ctrl + G	Jump to the specified line in the current file
Ctrl + J	Insert a custom dynamic code template
Ctrl + P	Method parameter prompt display
Ctrl + Q	The variable where the cursor is / Class name / Method name, etc （ You can also press ）, Show document content
Ctrl + U	Go to the method of the parent class of the current cursor / Interface definition
Ctrl + B	Enter the method where the cursor is / Variable interface or define , Equivalent to Ctrl + Left click
Ctrl + H	Show the hierarchy of the current class
Ctrl + /	Comment the line code where the cursor is , Different annotation symbols will be used according to different file types
Ctrl + [	Move the cursor to the beginning of the curly bracket in the current code
Ctrl + ]	Move the cursor to the end of the curly bracket in the current code
Ctrl + F1	The error code is displayed in the error code
Ctrl + F3	Go to the next reference position of the selected word
Ctrl + Space	Basic code completion , Default in Windows The system is occupied by the input method , Need to change , It is suggested to amend it to Ctrl + comma （ necessary ）

Alt Shortcut key ：

Shortcut name	Shortcut key introduction
Alt + Q	Pop up a hint , Displays the declaration of the current class / Context information
Alt + F1	Display the current file selection target pop-up layer , There are many targets in the pop-up layer to choose from
Alt + F3	Select the text , Go down one by one to find the same text , And highlight
Alt + F7	How to find the cursor / Variable / Where the class is called
Alt + F8（ a key ）	stay Debug Under the state of , Selected objects , The debug box for inputting calculation expression will pop up , View the debugging results of this input
Alt + Insert	Code auto generation , Such as generating objects set / get Method , Constructors ,toString() etc.

Shift Shortcut key ：

Shortcut name	Shortcut key introduction
Shift + F2	Jump to the previous highlight error or Warning location
Shift + F3	In search mode , Find a match to the previous one
Ctrl+X	Delete row
Alt+Insert	Quickly generate constructors /Getter/Setter etc.
Ctrl+N	Quick open class
Ctrl+F	Find the text
Ctrl+I	Implementation method
Ctrl+Y	Delete current row
Ctrl+Shift+F	Global search
Ctrl+Enter	Insert a line
Ctrl+X	Delete row

other

If you encounter other Shortcut key , I will add below , Here are some commonly used , It basically includes .