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Excelsior JET 5.0 Slims Down the Java SE Runtime

Excelsior JET 5.0 enables Java developers to omit the unused parts of the Java SE platform when deploying their optimized applications. The new deployment model fully complies with the Java specification.

Novosibirsk, Russia, May 23, 2007 - Have you ever wished the JRE was a bit smaller so as to bundle it with your Java application? Excelsior JET 5.0, announced today, is the first Java SE implementation that enables developers to leave the unused parts of the platform out of their application installers. At the same time, it maintains full Java compatibility through on-demand downloading of the omitted at run time.

A Java SE implementation comprises thousands of standard API classes, dozens of native method libraries and numerous data files. However, most applications do not use some of the APIs at all. For instance, an application designed to run in the background, e.g. as a Windows service, may not need the Swing/AWT classes, AWT native method DLLs, and the associated resources such as fonts.

The key new feature of Excelsior JET 5.0 is the ability to exclude certain parts of the Java SE platform from the application's installation package, thus reducing its download size and disk footprint. For example, it may cut down a medium-size Java application that does not use Swing or AWT to a mere 5 MB, whereas the Sun JRE 5.0 alone is a 15 MB download.

Now, Java SE is a monolithic platform, as opposed to Java ME with its configurations and profiles. How can a licensed Java SE implementation allow you to exclude any part of the platform and remain 100% compatible? Mr. Vitaly Mikheev, the CTO for Excelsior, explains:

"When you build an installer for your optimized application, Excelsior JET automatically creates a secondary package containing the detached Java SE components. You place that package on a Web server accessible to your end users, at the URL you have specified in the primary package containing the application. If the application attempts to access a detached component, the runtime will download and unpack the secondary package."

A few real-world Java applications packaged using this new technology are available at http://www.excelsior-usa.com/jetdownsize.

See http://www.excelsior-usa.com/jetlatest.html for more information on new features and improvements in Excelsior JET 5.0. A fully functional, time-limited evaluation copy is available from http://www.excelsior-usa.com/jetdleval.html.

The most popular Excelsior JET, Professional Edition for Windows is priced at $2,300 for one-user license with one year of support and upgrades. No runtime fees apply to applications designed to run on general purpose personal computers and servers, but deployment to embedded systems and devices is subject to royalties. Full pricing and licensing information is available at http://www.excelsior-usa.com/jetpricing.html.

About Excelsior

Excelsior LLC provides advanced Java-compatible solutions and software development services with particular focus on optimizing compilers, high performance runtime environments and the Java technology. Excelsior is a Java Authorized Licensee. The flagship product of the company, Excelsior JET, is a complete solution for acceleration, protection and deployment of Java applications. Founded in 1999, Excelsior is headquartered in Novosibirsk Scientific Center, Russia. To learn more about Excelsior, visit www.excelsior-usa.com.


Sun, Sun Microsystems, the Sun logo, Java, Java SE, Java Community Process are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. All other products, services and companies are trademarks, registered trademarks or servicemarks of their respective owners in the U.S. and/or other countries.

Press Contact:

Dmitry Leskov, Director of Marketing, Excelsior LLC

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