This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I'm fairly certain that one can still extend JFrame in Eclipse and run it, so I have a feeling you are asking for a GUI builder, which will help you arrange GUI components. I'll move this topic to the IDE discussion forum.