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Debian Java FAQ.
Chapter 6 - Java Virtual Machines (JVM)



6.1 What JVMs are available in Debian?

The following JVMs are currently available in Debian Squeeze:

The following lists JVMs available in Debian 5.0 release ('Lenny'):


6.2 What Java Compilers are available in Debian?


6.3 What API do these JVMs provide?

Note that providing an API does not mean that everything is implemented, and certainly not implemented correctly. But even Sun's SDK, each out of four confirmed bugs don't get fixed, so don't disregard free implementation on buggyness or limited implementation alone.


6.4 Are there known problems?

Yes, there are. Some of these are reported as Debian bugs. You can look up the bugs for a specific Debian package at the Debian Bug Tracking System. As a quick link, here are some packages:

As common within the Debian project, the developers would appreciate good bug reports on found problems. These include the good description of the problem, the command that gives the problem, the errors given when running the command, and any other information that might be relevant. A good tool to report bugs is reportbug.


6.5 Do I need a JVM to run a Java program in Debian?

No, you can try to run the applications without a jvm by compiling the source code to native code is.


6.5.1 How do I compile to native code?

You might be able to use gcj to compile the program. And use gcj to convert bytecode to native code. The entire software chain is free.


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Debian Java FAQ.

$Revision: 7831 $, $Date: 2010-12-04 20:17:15 +0000 (Sat, 04 Dec 2010) $

Torsten Werner [email protected]
Niels Thykier [email protected]
Javier Fernández-Sanguino Peña [email protected]