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12.2 GNU Classpath Properties

libgcj is based on the GNU Classpath (Essential Libraries for Java) a GNU project to create free core class libraries for use with virtual machines and compilers for the Java language. The following properties are common to libraries based on GNU Classpath.

Enables printing serialization debugging by the and classes when set to something else then the empty string. Only used when running a debug build of the library.
This is a succinct name of the virtual machine. For libgcj, this will always be `libgcj'.
A base URL used for finding system property files (e.g., By default this is a `file:' URL pointing to the lib directory under `java.home'.