Editors
are an integral part of the programming. There are lot of editors available. Eclipse
is my favourite Java IDE (Integrated Development Environment) since I started
coding in Java. Shortcuts make life very easy when you are working with any
IDE. Eclipse also comes with lot of shortcuts that makes life of a developer
easy. I surfed and wrote down most of
the shortcuts available in Java.
This
description uses the shortcuts based on Windows and Linux. Mac OS uses the Cmd
key frequently instead of the Ctrl key.
1. Manage Files and Projects:
Ctrl+N : Create new
project using the Wizard
Ctrl+Alt+N : Create new
project, file, class, etc.
Alt+f, then . Open project,
file, etc.
Ctrl+Shift+R : Open
Resource (file, folder or project)
Alt+Enter : Show and
access file properties
Ctrl+S : Save current
file
Ctrl+Shift+S : Save
all files
Ctrl+W : Close current
file
Ctrl+Shift+W : Close all files
Ctrl+P : Prints the file.
F5 : Refresh content of
selected element with local file system
2. Editor Window:
Focus/
cursor must be in Editor Window for these to work.
F12 : Jump to Editor
Window
Ctrl+Page Down/Ctrl+Page Up :
Switch to next editor / switch to previous editor
Ctrl+M : Maximize or Minimize
current Editor Window (also works for other Windows)
Ctrl+E : Show list of
open Editors. Use arrow keys and enter to switch
Ctrl+F6/Ctrl+Shift+F6 : Show
list of open Editors. Similar to ctrl+e but switches immediately upon release
of ctrl
Alt+Arrow Left/Alt+Arrow Right :
Go to previous / go to next Editor Window
Alt+- Open Editor Window
Option menu
Ctrl+F10 : Show view
menu (features available on left vertical bar: breakpoints, bookmarks, line
numbers, …)
Ctrl+F10, then n : Show or
hide line numbers
Ctrl+Shift+Q : Show
or hide the diff column on the left (indicates changes since last save)
3. Navigate in Editor:
Home/End : Jump to
beginning / jump to end of indention. Press home twice to jump to beginning of
line
Ctrl+Home/End : Jump to
beginning / jump to end of source
Ctrl+Arrow Right/Arrow Left :
Jump one word to the left / one word to the right
Ctrl+Shift+Arrow Down/Arrow Up :
Jump to previous / jump to next method
Ctrl+L : Jump to Line
Number. To hide/show line numbers, press ctrl+F10 and select 'Show Line
Numbers'
Ctrl+Q : Jump to last
location edited
Ctrl+./Ctrl+, : Jump to next
/ jump to previous compiler syntax warning or error
Ctrl+Shift+P : With a bracket selected: jump to the
matching closing or opening bracket
Ctrl+[+]/Ctrl+- on numeric keyboard Collapse / Expand current method or class
Ctrl+[/]/Ctrl+* on numeric keyboard Collapse / Expand all methods or classes
Ctrl+Arrow Down/Ctrl+Arrow Up :Scroll
Editor without changing cursor position
Alt+Page Up/Alt+Page Down :Next
Sub-Tab / Previous Sub-Tab
Ctrl+F7 : Next View
Ctrl+Shift+F7: Previous View
Ctrl+F8: Next Perspective
Ctrl+Shift+F8: Previous Perspective
Ctrl + . : Go to the next problem / error
Ctrl + , : Go to the
previous problem / error
4. Select Text :
Shift+Arrow Right/Arrow Left :
Expand selection by one character to the left / to the right
Ctrl+Shift+Arrow Right/Arrow Left :Expand
selection to next / previous word
Shift+Arrow Down/Arrow Up :Expand
selection by one line down / one line up
Shift+End/Home :Expand
selection to end / to beginning of line
Ctrl+A :Select all
Alt+Shift+Arrow Up :Expand
selection to current element (e.g. current one-line expression or content
within brackets)
Alt+Shift+Arrow Left/Arrow Right :Expand
selection to next / previous element
Alt+Shift+Arrow Down :Reduce
previously expanded selection by one step
5. Edit Text:
Ctrl+C/Ctrl+X/Ctrl+V :Copy,
Cut and paste
Ctrl+Z :Undo last
action
Ctrl+Y :Redo last
(undone) action
Ctrl+D :Delete Line
Alt+Arrow Up/Arrow Down :Move
current line or selection up or down
Ctrl+Alt+Arrow Up/Ctrl+Alt+Arrow Down/ : Duplicate current line or selection up or down (This may not work
in windows as this key combination rotates the screen)
Ctrl+Delete :Delete next
word
Ctrl+Backspace :Delete previous
word
Shift+Enter :Enter line
below current line
Shift+Ctrl+Enter :Enter
line above current line
Insert :Switch between insert
and overwrite mode
Shift+Ctrl+Y :Change
selection to all lower case
Shift+Ctrl+X :Change
selection to all upper case
6. Search and Replace
Ctrl+F :Open find and
replace dialog
Ctrl+K/Ctrl+Shift+K :Find
previous / find next occurrence of search term (close find window first)
Ctrl+H :Search
Workspace (Java Search, Task Search, and File Search)
Ctrl+J/Ctrl+Shift+J :Incremental
search forward / backwards. Type search term after pressing ctrl+j, there is
now search window
Ctrl+Shift+O :Open a
resource search dialog to find any class
Ctrl + J : Incremental
search without popup dialog, just starting typing to search. Press Ctrl + J to
find the next match
Ctrl + Shift + G : In the Java editor, search for references in
the workspace.
Ctrl + Shift + P : Select the matching bracket. Cursor needs to be placed before or
after a bracket.
7. Indentations and Comments
Tab/Shift+Tab :Increase
/ decrease indent of selected text
Ctrl+I : Correct
indention of selected text or of current line
Ctrl+Shift+F :Autoformat
all code in Editor using code formatter
Ctrl+/ Comment / uncomment
line or selection ( adds '//' )
Ctrl+Shift+/ Add Block
Comment around selection ( adds '/*... */' )
Ctrl+Shift+\ Remove Block
Comment
Alt+Shift+J Add Element
Comment ( adds '/** ... */')
8. Editing Source Code
Ctrl+Space :Opens Content
Assist (e.g. show available methods or field names)
Ctrl+1 :Open Quick
Fix and Quick Assist
Alt+/ :Propose word
completion (after typing at least one letter). Repeatedly press alt+/ until
reaching correct name
Ctrl+Shift+Insert :Deactivate
or activate Smart Insert Mode (automatic indention, automatic brackets, etc.)
9. Code Information
Ctrl+O Show code
outline / structure
F2 :Open class, method,
or variable information (tooltip text)
F3 : Open Declaration:
Jump to Declaration of selected class, method, or parameter
F4 :Open Type Hierarchy
window for selected item
Ctrl+T :Show / open
Quick Type Hierarchy for selected item
Ctrl+Shift+T :Open
Type in Hierarchy
Ctrl+Alt+H :Open Call
Hierarchy
Ctrl+U :Find occurrences of
expression in current file
Ctrl+move over method : Open
Declaration or Implementation
10. Refactoring
Alt+Shift+R : Rename selected
element and all references
Alt+Shift+V :Move selected
element to other class or file (With complete method or class selected)
Ctrl+Shift+C :Change
method signature (with method name selected)
Alt+Shift+M :Extract
selection to method
Alt+Shift+L :Extract local
variable: Create and assigns a variable from a selected expression
Alt+Shift+I :Inline selected
local variables, methods, or constants if possible (replaces variable with its
declarations/ assignment and puts it directly into the statements)
11. Run and Debug
Ctrl+F11 :Save and
launch application (run)
F11 :Debug
F5 :Step Into function
F6 :Next step (line by
line)
F7 :Step out
F8 :Skip to next
Breakpoint
12. Others
Ctrl+F7/Ctrl+Shift+F7 :Switch
forward / backward between views (panels). Useful for switching back and forth
between Package Explorer and Editor.
Ctrl+F8/Ctrl+Shift+F8 :Switch
forward / backward between perspectives
Ctrl+P :Print
F1 :Open Eclipse Help
Shift+F10 :Show Context
Menu (right click with mouse)
Ctrl+3 :Quick Access. allows you to perform all available actions
in Eclipse. This shortcut puts the focus into the Quick Access search box which
allows you to execute any Eclipse command
Ctrl + Shift + O : Organize imports
Alt + Shift + S + R : Generate getter and setter methods
CTRL+SPACE : Type assist
ALT+SHIFT+Z – Enclose block in try-catch.
SHIFT+F2 – Show Javadoc for current element.
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