Which IDE you suggest for GUI Window builder?

Answer 1

For Beginners: Processing IDE with G4P library (by Peter Lager) and Gui Builder tool.
you will drag and drop your GUI layout, handle the logic in code and export the applet as an executable for win, mac and linux. It's free and easy. for more info and/or download: www.processing.org

Answer 2

For Java FX,
Many use Netbeans...
But I prefer Eclipse more.

Answer 3

eclipse ide

Answer 4

select the IDE if fit in tour system. read the specs of some IDE's , and then choice the one is capable to run