Develop necessary idea use

Necessary for development Idea Use

1、 Using shortcut keys

Function description	Shortcut key
Quickly generate main Method	psvm（ play ） +Tab or main（ play ）+Tab
Quickly generate System.out.prinltn()	sout（ play ）+Tab
Delete a line	Ctrl+Y
Switch java file	Alt+ Right arrow or Alt+ left arrow
Copy the selected line to the next line	Ctrl+D
Undo the last action	Ctrl+Z
Cancel cancellation	Ctrl+Shift+Z
Merge the selected rows into one row	Ctrl+shift+J
Find class files	Ctrl+N
Displays the file structure	Ctrl+F12
Displays the current folder path	Ctrl+Alt+F12
Shows the inheritance level of the current class	Ctrl+H
Go to the next error	F2
Navigate to the previous error	Shift+F2
Expand code	Ctrl+=
Collapse code	Ctrl±
The selected line is a multiline comment	Ctrl+Shift+/
Navigate to a line in the file	Ctrl+G
Comment or uncomment the selected line	Ctrl+/
Run the current file	Ctrl+Shift+F10
The parameters of the prompt method	Ctrl+P
Jump to the end of the file	Ctrl+End
Jump to the header	Ctrl+Home
The selected line of code is formatted	Ctrl+Alt+L
Text search in the current file	Ctrl+R
The selected line breaks or cancels the breakpoint	Ctrl+F8

2、idea Customize shortcut keys in

2.1 Click on File --> Setting --> KeyMap

3、 Plug in installation

4、 Set the background

Installing a plug-in ：Backgroud Image Plus +

Set up wallpaper ：File->Settings->Appearance->BackgoundImage

Self setting with objects , There is no object to yourself new One

5、 translate

Installing a plug-in ：Translation

6、 Scroll Mini Map

Installing a plug-in ：Code Glance

Read long code , The rollers are rolling and smoking .

7、 Code completion

Installing a plug-in ：Codota AI

IDEA The built-in completion code is already very powerful ,AI Complete the code more powerful , The more you use it, the better .

8、 Anti indulgence

Installing a plug-in ：StopCoding

If you often indulge in writing code , Then try this plug-in , Set working hours and breaks , Don't forget to get up and have a glass of water , Walk a few steps , take care of sb.'s health , From you and me .

9、 Quickly generate document comments

Installing a plug-in ：JavaDoc

Windows You can go through Alt+Insert,Mac It can be done by Ctrl+Enter.

10、 Scan code problems

Installing a plug-in ：SonarLint

Help you check your code for problems , Such as performance , Security 、 Repetition and so on . It's a must for beginners .