This lesson glossed over many details and left some things unexplained, but now you should have an understanding of what you can build with Swing components. Also, you should have a general understanding of the following:

• How to set up the containment hierarchy of each Swing component. To add a component to a container, you use some form of the add method.
• How to use many standard GUI components, such as buttons, labels, combo boxes, and radio buttons, which you combine to create your program’s GUI.
• How to change the layout of components by using layout managers.
• How events are used in Swing programs. Recall that the event-handling mechanism is based on the AWT event-handling model, in which you register event listeners on objects such as components that generate events.