Idea Common shortcut keys

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

SVN Management
Add SVN library to Idea SETTING-VersionControl, VCS = svbversion
Filter the SVN directory or file type the SETTING-and VERSION CONTROL-ignoredfiles

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 or Alt+shift+c recently changed code
Ctrl+shift+space Auto-Complete code
CTRL + SPACE Code hint (and system input conflicts, please add your own shortcut keys in Settings->keymap->mainmenu, code->completion->basic, right-click)
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{}

Copy Shortcut
F5 Copy File shortcuts
Ctrl+d Copying rows
Ctrl+x Cut, Delete row
Ctrl+shift+v can copy multiple text

Highlight
Ctrl+f selected text, highlighting jumps up or down to the next or previous
F2 or SHIFT+F2 highlighting error or warning quick location
Ctrl+shift+f7 highlighting multiple keywords.

Other Shortcuts
Cirl+u Case Switching
CTRL + Z backwards
Ctrl+shift+z forward
CTRL+ALT+F12 Explorer opens a folder where you quickly navigate to a file or folder in the Windows window
Alt+f1 find the directory where the files are located
Shift+alt+insert Vertical Edit mode
ctrl+/Notes//
ctrl+shift+/notes
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 (not recommended, very slow)
Ctrl+f4 Close the currently open file

Summarize
Developer from Eclipse can be set to eclipse's shortcut key mode (just choose Keymaps as Eclipse mode)

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Idea common shortcut keys (GO)