Motivation

1. A portable graphics model and window system (Unix, Microsoft Windows, Macintosh).

2. Support interaction in a general way (Mouse events, keyboard events).

3. Provide high-level building blocks (widgets like buttons and canvases in JDK1.0 and 1.1, and more complex interface components such as TreeView in JDK 1.2 -- in “Swing”).

4. Permit integration with browsers (Netscape Navigator, Microsoft Internet Explorer)..

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