2.1. The J2EE Architecture
The J2EE platform gives you a multitiered application model to develop distributed components. Although any number of tiers is possible, a three-tier architecture is typical. Figure 2-1 shows the approach.
Figure 2-1. Three-Tier J2EE Architecture
The client machine supports web browsers, Java applets, and stand-alone applications. A client application may be as simple as a command line program running as an administrator client or a graphical user interface created from Java Swing or AWT (Abstract Window Toolkit) components. Regardless, J2EE applications encourage thin clients in the presentation tier. A thin client is ...
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