NetBeans Tips
NetBeans hotkeys
Print a list of the main hot keys
Help → Keyboard Shortcuts Card
ChangeCase
To change the case of letters in a word, select the desired characters, press Ctrl+U, and then — U or uppercase, or L for the lower. And the key S (Switch) pressed after the combination Ctrl+U will change the register for each letter of the selected block to the opposite.
Move Text
Put the cursor on a needed line or highlight the whole block, then hit Alt+Shift + ←, ↑, ↓ or → and it migrates easily in any direction.
Duplicate Text
Press Ctrl+Shift+ ↑ or ↓, then the selected block will duplicate in the direction of the arrows.
AutoCompletion
Ctrl+Space Bar — standard auto completion.
Miscellaneous
Ctrl+P — mapping of the arguments for the selected method / function / class.
Ctrl+Shift+Space Bar — mapping of a pop-up window with the documentation (generated from the docking blocks).
Ctrl+G — jump to the line number …
Ctrl+E — delete the current line under the cursor, or the selected block.
Ctrl+Q — move to last place of editing (to evaluate the usefulness — you need to try at work after an active refactoring, etc).
Ctrl+Shift+V — paste the code snippet from the buffer, already formatted (in accordance with the configuration described above).