1. Ctrl + Space
Complete automatic input of class, method, variable name
2. CTRL + N (Ctrl + Shift + N)
Jump to the specified Java file (other file)
3. Ctrl + B
Jump to Definition
4. Ctrl + Alt + T
Use if, while, try catch to surround the selected line of code
5. Ctrl + Alt + B
Jump to method implementation
6. Ctrl + W
Press a word to select the action, in the idea of this shortcut function is to select the word at the character of the cursor, and then select the source
The extended area of the code.
7. Shift + F1
Displays the specified Java docs in the browser
8. Ctrl + Q
It's handy to show Java docs in the editor window--because sometimes you just forget about the meaning of one of the parameters in your own method, and you don't want to start a browser to see the Java doc again, and the benefits of this feature are reflected
9. Ctrl +/
Comment/Counter-annotate the specified statement, or you can use Ctrl + Shift +/To annotate multiple lines of statements (that is, use the multiline comment symbol "/* ... */")
Ten. F2/shift + F2
Jump to Next/previous Error statement
Shift + F6
Provides renaming of methods, variables
Ctrl + Alt + L
Format the selected code according to the template, which is valid only for Java files
Ctrl + Alt + I
Automatically indent the selected code, which can also work when editing a JSP file.
Provides a complement to the Ctrl + Alt + L feature.
Ctrl + Alt + O
Optimize import to automatically remove useless import statements
. Ctrl +/[
Jump to end of code block/start
16.ctrl+e
Displays a list of recently edited files
17.shift+click
Close File
18.ctrl+shift+backspace
Jump to the last edited place
19.ctrl+f12
Displays the structure of the current file
20.ctrl+f7
Query the current element for a reference in the current file, and then press F3 to select
21.ctrl+shift+n
Quickly open files
22.alt+q
See the declaration of the current method
23.ctrl+p
Display parameter information
25.alt+insert
Generate constructor/getter/setter, etc.
26.ctrl+alt+v
Introduce variables. For example, to assign a variable to a SQL in parentheses
27.alt+up and Alt+down
Can be moved quickly between methods
The following is not very useful
28.alt+enter
Get some Intention Action, for example, change "= =" to "Equals ()"
29.ctrl+shift+alt+n
You can quickly open symbols
30.ctrl+shift+space
Smart tips can be given in many cases
31.alt+f3
Can quickly find
32.ctrl+o
You can choose a method of the parent class to override
33.ctrl+alt+space
is the class name auto-complete
Ctrl+j.
Live templates!
35.ctrl+shift+f7
You can highlight the current element's use in the current file
30.ctrl+alt+up/ctrl+alt+down
Quick jump to search results
31.ctrl+shift+j
Can consolidate two lines
32.alt+f8
Is the value of the calculated variable
33.ctrl+d
Copy the previous row or copy the selected
34.ctrl+alt+l
Formatting code
35.alt+shift+insert
Column editing
After loading the upperlowercapitalize
ALT+P//To uppercase
Alt+l//To lowercase
Alt+c//First Letter Capital
You can change the set to your custom keying combination in Option--keymaps.
Intellij idea Common shortcut keys