Useful Eclispe IDE Shortcut keys

Programming java based applications(java,jsp,servlets,android) in Eclipse is very easy.Much easier if we know the essential shortcut keys of Eclipse.Here I have mentioned some effective shortcut keys which I found very interesting. Cheers!!

Ctrl+N -For a new project
Ctrl+Alt+n   -Create a new class,file..etc
Ctrl+Shift+R- Open Resource
Ctrl+S-Save project
F5-Refresh
Ctrl+space-Intellisence
Ctrl+D-Delete Line
Ctrl+F-Open find and replace dialog
Shift+Ctrl+y-Change selection to all lower cases
Shift+Ctrl+x-Change selection to all lower cases
Ctrl+Shift+/ Add block comment
Ctrl+Shift+\ Remove block comment
Ctrl+/-Add single line comment
Ctrl+L-Go to line
F11-Debug
Ctrl+h -Open File Search
Ctrl+Shift+F-Format code
Alt+Shift+R-Refactoring -Rename