Eclipse shortcut keys

An integrated development environment (IDE) is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of a source code editor, build automation tools and a debugger.

IDEs are designed to maximize programmer productivity by providing tight-knit components with similar user interfaces

Editors are an integral part of a programmer’s life. If you have good proficiency in using an editor thats a great advantage. For java developers there is huge list and some opular are Eclipse , Netbeans, MyEclipse. 
I use Eclipse as a my IDE. It is the leading development environment for Java

This post gives you information about various shortcut keys in Eclipse

You can use following keys for listing all shortcuts

CTRL + SHIFT + L

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 Ressource (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
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 un-maximize 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

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	Cut, copy 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
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

7. Indentions 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. The Rest

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