Idea common shortcut keys

Ctrl relevant

Ctrl + Z revoke
Ctrl + O Quickly override parent methods
Ctrl + F Text search in the current file
Ctrl + Y Delete the line where the cursor is located or delete the selected line
Ctrl + / Comment the line code where the cursor is , Different annotation symbols will be used according to different file types
Ctrl + D Copy the cursor line or copy the selection , And insert the copy under the cursor position

Ctrl + F1 The error message is displayed at the error code where the cursor is located
Ctrl + F12 Pop up the current file structure layer , You can directly input the filter on the pop-up layer

Ctrl + P Method parameter prompt
Ctrl + H Look at the inheritance structure of the class
Ctrl + W Progressive selection code block
Ctrl + N Locate file by class name
Ctrl + B Enter the method where the cursor is / The interface or definition of a variable , Equivalent to Ctrl + Left click
Ctrl + 1,2,3,…9 Navigate to the bookmark location of the corresponding value combination Ctrl + Shift + 1,2,3…9 Use
Ctrl + Space The basic code completion defaults to Windows The system is occupied by the input method , Need to change , It is suggested to amend it to Ctrl + comma
Shift + Ctrl + ins The generated code ( Such as get,set Method , Constructors, etc )

AIt relevant

AIt + Q Pop up a hint , Displays the declaration of the current class / Context information
AIt + Enter According to the cursor problem , Provide quick fix options

Shift relevant

Shift + F3 In search mode , Go to the previous match

Ctrl + AIt relevant

Ctrl + AIt + B Using on a method name of a call jumps to the specific implementation
Ctrl + AIt + L formatting code （ You can use... For the current file and the entire package directory ）
Ctrl + AIt + M Fast extraction method
Ctrl + AIt + O Optimize imported classes and packages （ You can use... For the current file and the entire package directory ）
Ctrl + AIt + T Pop up the surround option pop-up layer for the selected code
Ctrl + AIt + V Quickly introduce variables
Ctrl + AIt + F7 Find the place where the class or variable is called , Display in a pop-up box
Ctrl + AIt + ← Return to the previous operation
Ctrl + AIt + → Move on to the previous operation
Ctrl + Alt+ Space Intelligent code prompt

Ctrl + Shift relevant

Ctrl + Shift + F Find the entire project or the files in the specified directory according to the input content
Ctrl + Shift + H View the inheritance structure of the method
Ctrl + Shift + J Automatically merge the next row to the end of the previous row
Ctrl + Shift + N Open the file by locating the file name / Catalog , To open a directory, you need to add a forward slash after the input
Ctrl + Shift + R Replace the corresponding content according to the input content , The scope is the entire project or the files in the specified directory
Ctrl + Shift + U Make the selected code bigger / Rotate lowercase
Ctrl + Shift + W Progressive deselect code block
Ctrl + Shift + Z Cancel cancellation
Ctrl + Shift + / Code block comments
Ctrl + Shift + + Expand all code
Ctrl + Shift + - Collapse all code
Ctrl + Shift + 1,2,3…9 Quickly add bookmarks with specified values
Ctrl + Shift + F7 Highlight all the selected text , Press Esc Highlight disappears
Ctrl + Shift + Enter Auto end code , Add semicolon to a line automatically

AIt + Shift relevant

Ctrl + AIt + Shift relevant

Other
F2 Jump to the next highlighted error or warning position
F3 In search mode , Go to the next match
F4 Edit source