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{{Implementation|Icon}} {{virtual machine}} [http://www.cs.arizona.edu/icon/jcon/ Jcon] is a Java-based implementation of the Icon programming language. The Jcon translator, written in Icon, generates Java class files that execute in conjunction with a run-time system written in Java.

Version 2 of Jcon is an essentially complete implementation of Icon, including graphics and large integers. A few minor features are missing -- mostly things like chdir() that cannot be done in Java.

Jcon is currently not being developed (last available version is 2.1 from September 10, 1999).