These are APIs based on the CDC JVM. The Foundation profile (API) provides a basic Java class library, but no graphical user interface. The Basis profile provides, in addition, a lightweight graphical user interface based on the `xlet' model. The Personal profile is the most complex, and supports the full AWT graphical programming model. Programming graphical applications for the Personal profile is therefore much like programming ordinary workstation applications in AWT. The Personal profile also supports Java applets. All three CDC profiles can be extended to support RMI and JDBC, but vendors are not required to support them.

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