On the optimization and use of idea

A good workman does his work well , You must sharpen your tools first .
IDEA As JAVA One of the common tools for development , I believe that many friends often use , Therefore, proper optimization can better improve our efficiency .
But don't expect IDEA Do not occupy memory , That is not shown ……

One About IDEA Activation

• But I recommend a treasure ……, Spend a little money , It's settled. .

Two Several plug-ins are recommended

2.1 Where to install ：file->settings->plugins->macketplace

2.2 Chinese(Simplified)Language Pack【 A big man with good English , Please pass by 】

2.3 Rainbow Brackets

• 1. Use settings
     
• 2. Recent bracket content highlights ：ctrl+ Right click
• 3. Recently, the dark effect outside the bracket content ：alt+ Right click

Small make up think , These two functions are like turning on and off the lights , They can use each other .
When the highlight effect is turned off ： Use alt+ Right click
When dim effect is turned off ：ctrl+ Right click

2.4 CodeGlance2

• effect ： On the far right of the edit code , Show a small code map
  

3、 ... and Use optimization

3.1 Set the background image

3.2 Set the mouse wheel to change the font size

3.3 Set the mouse hover prompt

3.4 Show toolbar 、 Tool window

• Easy to use
  
  

3.5 Set the automatic package guide function

• Improve coding efficiency
  

3.6 Ignore case hints

• Improve development efficiency
  

3.7 According to the line Numbers 【 Default display 】 And display method separator

• Make the structure of the code clearer
  
  

3.8 Cancel single line display tabs The operation of 【 To use 】

• Prevent too many files from being opened and the required class file cannot be found
  
  

3.9 Set annotation font and color

• Default comment , The color is not obvious , You can customize colors —— Easy to read
  

3.10 Modify the document comment information for the class header

• Highlight personal achievements , Record the editing time
  

3.11 Set the encoding of the project file

• Prevent confusion code
  

3.12 Set auto compilation

• Compile in time to prevent running old class file
  

3.13 Attention to power saving mode 【 Don't check 】

Intellij IDEA There is a state called power saving mode , Once this mode is turned on ,Intellij IDEA Code checks and code prompts are turned off . So it can also be considered as a reading mode , If you encounter a code file during development, it cannot be checked and prompted , You can see if this is enabled here .

3.14 Split vertically and horizontally

Four Shortcut key summary

Shift+Enter	Switch directly to the next line anywhere on the previous line
Ctrl+D	Copy the mouse line to the next line
Alt+Shift+ On / Down key	Move the mouse line to the top / The next line
Ctrl+shift+ On / Down key	Move the selected method / Class to other methods / Class / Underside 【 First select the code block you want to move 】
Alt+Enter	Quick creation method / Instantiate objects 【 Calling an uncreated method / not new The keyword instantiates a Scanner object 】
Alt+Insert	Quickly generate constructors 、 Rewriting methods
Ctrl+H	Quick view of inheritance relationships
Ctrl+alt+T	Select the code , Package code shortcut
Ctrl+Shift+F	IntelliJ IDEA Global search
Ctrl+F	Text search only in the current file
Ctrl+O	To avoid writing wrong rewrite classes and quickly rewrite

5、 ... and Breakpoint debugging

• Windows A unique feature , Memory footprint is relatively small .
  

5.1 debug Common shortcut key

name	Detailed explanation
stepover	Go to the next step , If the current line breakpoint is a method , Do not enter the current method +
stepinto	Go to the next step , If the current line breakpoint is a method , Then enter the current method +
force stepinto	Go to the next step , If the current line breakpoint is a method , Then enter the current method +
stepout	Jump out of
resume program	Restore program run , But if the code below the breakpoint has a breakpoint, it stops at the next breakpoint
stop	stop it
mute breakpoints	Point in , Invalidate all breakpoints
view breakpoints	View all breakpoints
Alt+F8	assessment

5.2 Conditional breakpoints —— Select breakpoint , Right click to set the condition

6、 ... and Other settings

6.1 Cancel the update