There have been a couple of attempts.

* WebForth by FIG UK is a direct descendant of Mike Losh's earlier Java e-Forth and is still online at http://www.figuk.plus.com/webforth/En/Intro.htm.  The WebForth site includes programming tutorials and Forth examples. 
** http://www.angelfire.com/mn2/myyahtzee/forth.html is similar.

* http://www.mistybeach.com/products/Forth/ -- Embedding Forth in the JavaVirtualMachine, with the ability to call into the Java class libraries.  Not fully baked, but quite promising.  A pretty good environment for learning Forth and the class libraries, due to the stack and dictionary browsers. (Freeware, but not open source.)

* http://www.dataman.ro/dforth/ -- There is an old version of Delta Forth DotNet that compiles to JavaByteCode.

* http://leonardoce.interfree.it/leoforth/ -- LeoForth, which has some Java-related words (jnewn and jinvoken, for creating instances of java classes and invoking methods on java objects, respectively), and in which the stack is composed of java objects.

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Should we make another page for ForthInJavaS''''''cript?

''See JsForth and http://forthfreak.net/index.cgi?ForthInJavaScript.''
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CategoryForth CategoryJava