Swing GUIs

NetBeans is a powerful program that offers a lot of functionality, and we access this functionality through a GUI and the menus and buttons provided by NetBeans. In theory, we could have chosen to operate NetBeans as a command-line program, but in order to use NetBeans like that, we would have to memorize or look up a large library of specific commands for every action we would want to take. A powerful and well-written application has a streamlined interface that will guide us toward important functionality and make it easy for us to access it. The JDK contains a Java extension library, the swing library, which makes it very easy for us to wrap our own code in GUIs like the one NetBeans has.

The JFrame class

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