Excelsior JET

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Excelsior JET
Developer(s) Excelsior LLC
Stable release 7.0 / December 14, 2009; 131734396 ago
Operating system Windows and Linux
Development status Active
Type Ahead-of-Time (AOT) native code compiler, runtime, and deployment toolkit for Java applications
License EULA
Website http://www.excelsior-usa.com/jet.html

Excelsior JET is a commercial Java SE technology implementation built around an ahead-of-time (AOT) Java to native code compiler. The compiler transforms the portable Java bytecode into optimized executables for the desired hardware and operating system (OS). Also included are a Java runtime featuring a just-in-time (JIT) compiler for handling classes that were not precompiled for whatever reason (e.g. third-party plugins or dynamic proxies), the complete Java SE API implementation licensed from Sun Microsystems, and a toolkit to aid deployment of the optimized applications.

Excelsior JET has passed the "official" test suite (TCK) for Java SE 6, and is certified Java Compatible on a number of Windows and Linux variations running on Intel x86 and compatible hardware. It may produce DLLs and NT Services for Windows, and shared libraries for Linux.

The Enterprise Edition supports the Equinox OSGi runtime at the JVM level, enabling ahead-of-time compilation of Eclipse RCP (Rich Client Platform) applications, and the latest version adds such support for Web applications running on Apache Tomcat.

Excelsior JET, Embedded Edition implements the Java SE for Embedded technology in a very similar manner, the only major differences are in licensing and pricing.

See also

Template:Java Virtual Machinede:Excelsior JET

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