Idea shortcut keys

Useful shortcut keys:

ctrl+/or ctrl+shift+/Comments (//or/*...*/)
Ctrl+d Copying rows
Ctrl+x Deleting rows
Quick fix Alt+enter (modify/cast)
Code hint alt+/
Ctr+g Locating a row
Shift+f6 Refactoring-Renaming
Ctrl+r replacing text
Ctrl+f finding text


Ctrl+e recently opened files
CTRL+J Automatic Code

Organization Import Ctr+alt+o
Format Code CTR+ALT+L
Capitalization conversion Ctr+shift+u

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IntelliJ idea frequently used shortcut keys list

ALT + ENTER import package, auto fix
CTRL + N Find class
Ctrl+shift+n Finding files
Ctrl+alt+l Formatting Code
Ctrl+alt+o Optimizing imported classes and Packages
Alt+insert generate code (such as Get,set method, constructor, etc.)
Ctrl+e or Alt+shift+c recently changed code
Ctrl+r replacing text
Ctrl+f finding text
Ctrl+shift+space Auto-Complete code
CTRL + Space Code hints
Ctrl+alt+space class name or interface name hint
Ctrl+p Method Parameter Hints
Ctrl+shift+alt+n find a method or variable in a class
Alt+shift+c vs. recently modified code

Shift+f6 Refactoring-Renaming
ctrl+shift+ First up key
Ctrl+x Deleting rows
Ctrl+d Copying rows
ctrl+/or ctrl+shift+/Comments (//or/*...*/)
CTRL+J Automatic Code
Ctrl+e recently opened files
CTRL+H Display class structure diagram
Ctrl+q displaying comment documents
Alt+f1 find where the code is located
Alt+1 quickly open or hide the engineering panel
ctrl+alt+ Left/right back to the last viewed location
ALT + Left/right Toggle Code View
ALT + Up/down Fast move location between methods
The Ctrl+shift+up/down code moves up/down.
F2 or SHIFT+F2 highlighting error or warning quick location

When the code tag is entered, press TAB to generate the code.
Select the text, press CTRL+SHIFT+F7, highlight all the text, and press ESC to highlight the disappear.
Ctrl+w selected code, continuous press will have other effects
Select the text, press ALT+F3, look down the same text, and highlight it.
Ctrl+up/down cursor jumps to the first or last line
Ctrl+b quickly open the class or method at the cursor
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1. Idea Memory optimization

configured for the machine itself:

\intellij Idea 8\bin\idea.exe.vmoptions
-----------------------------------------
-xms64m
-xmx256m
-xx:maxpermsize=92m
-ea
-server
-dsun.awt.keepworkingsetonminimize=true



2. Query shortcut keys

CTRL + N Find class
Ctrl+shift+n Finding files
Ctrl+shift+alt+n find a method or variable in a class
Cirl+b finding the source of the variable
Ctrl+alt+b Find all the subcategories
Ctrl+shift+b the class of finding variables
Ctrl+g Locating rows
Ctrl+f finding text in the current window
Ctrl+shift+f finding text in a specified window
Ctrl+r replacing text in the current window
Ctrl+shift+r replacing text in a specified window
Alt+shift+c Finding the modified file
Ctrl+e recently opened files
F3 down find where the keyword appears
Shift+f3 up a keyword where it appears
F4 finding the source of a variable
Ctrl+alt+f7 selected characters find where the project appears
Ctrl+shift+o Popup Display Find content



3. Automatic code

ALT + ENTER import package, auto fix
Ctrl+alt+l Formatting Code
Ctrl+alt+i Auto Indent
Ctrl+alt+o Optimizing imported classes and Packages
Alt+insert generate code (such as Get,set method, constructor, etc.)
Ctrl+e recently changed code
Ctrl+shift+space Auto-Complete code
CTRL + Space Code hints
Ctrl+alt+space class name or interface name hint
Ctrl+p Method Parameter Hints
CTRL+J Automatic Code
Ctrl+alt+t put the selected code in try{} if{} else{}



4. Copying shortcuts

Ctrl+d Copying rows
Ctrl+x Cut, Delete row



5. Other Shortcuts

Cirl+u Case Switching
CTRL + Z backwards
Ctrl+shift+z forward
CTRL+ALT+F12 Explorer open Folder
Alt+f1 find the directory where the files are located
Shift+alt+insert Vertical Edit mode
ctrl+/Notes//
ctrl+shift+/Comment/*...*/
Ctrl+w selected code, continuous press will have other effects
Ctrl+b quickly open the class or method at the cursor
alt+←/→ Switch Code View
ctrl+alt←/→ return to last edited position
Alt+↑/↓ fast positioning between methods
Shift+f6 Refactoring-Renaming
CTRL+H Display class structure diagram
Ctrl+q displaying comment documents
Alt+1 quickly open or hide the engineering panel
The Ctrl+shift+up/down code moves up/down.
Ctrl+up/down cursor jumps to the first or last line
ESC cursor returns to edit box
Shift+esc the cursor back to the edit box, close the useless window
F1 help don't press, very card!
Ctrl+f4, it's very important to work.

Idea shortcut keys