Intellij IDEA Shortcuts

Jumping to class definition (Ctrl-B)

Position your cursor on class name and press Ctrl-B. IDEA will take you to the source of that class. To go back to previous location press Ctrl-LeftArrow

Generate methods (Alt-Insert)

Alt-Insert will spare you from having to type constructors, bean getter and setter methods.

Surround (Ctrl-Alt-T)

Select a piece of code, press Ctrl-Alt-T and you can surround it by if, try/catch, synchronized or a loop.