Java applets downloaded from the Web are usually interpreted by a language engine like the one included with Netscape Navigator 2.0.
Language interpretation is a relatively slow process.
The program is compiled directly in memory and persists for the session. For the moment, Borland is positioning AppAccelerator as a way for developers to run their own Java code during application development. It cannot currently be licensed for distribution to end users on the Web. But technically, AppAccelerator can make Java applications run faster for any Web user. Ultimately, AppAccelerator could pave the way for bigger and more complex Java applications to become practical.