The GNU Compiler for Java (GCJ) is a discontinued free compiler for the Java programming language. It was part of the GNU Compiler Collection. [3][4] GCJ compiles Java source code to Java virtual machine (JVM) bytecode or to machine code for a number of CPU architectures.

This manual describes how to use gcj, the GNU compiler for the Java programming language. gcj can generate both .class files and object files, and it can read both Java source code and .class files. Invoking gcj-dbtool: Tool for manipulating class file databases. Invoking grmic: Generate stubs for Remote Method Invocation.

Jan 27, 2014 · The pdftk package relied on gcj, which is the GCC compiler for Java. GCJ was officially removed from GCC in September 2016, and by extension, discontinued by the package repositories themselves for the various distros.

GCJ is a front end to the GCC compiler which can natively compile both Java (tm) source and bytecode files. The compiler can also generate class files. Other java development tools from classpath are included in this package. The package contains as well a collection of wrapper scripts and symlinks.

Nov 6, 2009 · Compiled applications are linked with the GCJ runtime, libgcj, which provides the core class libraries, a garbage collector, and a bytecode interpreter. libgcj can dynamically

GCJ supports all Java language constructs as per the Java Language Specification. Recent GCJ snapshots have added support for most JDK1.1 (and beyond) language features, including inner classes.

Jun 13, 2010 · GCJ was created to allow compilation and execution of Java code without depending on anything deemed "non-free" by GNU project. If you value software freedom enough to take a 12x performance hit, then by all means, go for it!

Sep 11, 2006 · GCJ is a portable, optimizing, ahead-of-time compiler for the Java Programming Language. It can compile Java source code to Java bytecode (class files) or directly to native machine code, and Java bytecode to native machine code.

This manual describes how to use gcj, the GNU compiler for the Java programming language. gcj can generate both .class files and object files, and it can read both Java source code and .class files.

GCJ is a Free Software implementation of the Java language, that compiles Java source code to either Java bytecode (class files) or native machine code.