Swing is a set of classes in Java that provides a richer user-interface than AWT (Abstract Window Toolkit). It provides components that are more flexible and user-interactive than AWT components. It contains some additional components, which are not available in AWT such as tabbed panes, scroll panes, etc. The traditional components such as buttons have more capabilities. A button can have both, an image and a string, associated with it.
Swing related classes are present in the javax.swing package.
Applets that implement Swing must extend the Japplet class.
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