Kaffe

Kaffe

Infobox Software
name = Kaffe



caption =
developer =
latest release version = 1.1.9
latest release date = release date|2008|2|26
latest preview version =
latest preview date =
operating system = Unix-like
programming language = C and Java
genre = Java Virtual Machine
license = GNU General Public License
website = http://www.kaffe.org/

Kaffe is a clean room design of a Java Virtual Machine. It comes with a subset of the Java 2 Platform, Standard Edition Java API and tools needed to provide a Java runtime environment. Like most other Free Java virtual machines, Kaffe uses GNU Classpath as its class library.

Kaffe, first released in 1996, was the original open-source Java implementation. Initially developed as part of another project, it grew so popular that developers Tim Wilkinson and Peter Mehlitz founded Transvirtual Technologies, Inc. with Kaffe as the company's flagship product. In July 1998, Transvirtual released Kaffe OpenVM under a GNU General Public License. Now it is developed by a world-wide team of programmers. Beside the mailing list, the developers can often be reached via IRC in the #kaffe channel on irc.freenode.org.

Kaffe is a lean and portable virtual machine, although it is significantly slower than commercial implementations. [ [http://www.shudo.net/jit/perf/ Performance Comparison of Java/.NET Runtimes (Oct 2004) ] ] When compared to the reference implementation of the Java Virtual Machine written by Sun Microsystems, Kaffe is significantly smaller; it thus appeals to embedded system developers. It comes with just-in-time compilers for many of the CPU architectures, and has been ported to more than 70 system platforms in total. It runs on devices ranging from embedded SuperH devices to IBM zSeries mainframe computers, and it will even run on a PlayStation 2.

See also

*List of Java virtual machines
*GNU Classpath
*Free Java implementations

References

External links

* [http://www.kaffe.org/ Kaffe homepage]
* [http://www.linuxjournal.com/article/3482 Transvirtual Adopts Microsoft Java Extensions, October 1st, 1999 by Craig Knudsen]


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