I\'m a beginner with Swing and AWT, I\'m looking to build a GUI using Netbeans. My GUI requires three areas, that I\'m currently thinking of as JPanels on a JFrame. I require
JInternalFrames typically have titlebars, go-away boxes etc. example here which doesn't seem to fit your model. (Unless you want users to be able to move the panels anywhere they want, or make them go away?) So I'd suggest the simpler JFrame with JPanels.