jdkgcj 1 javac javah jar rmic replacement commands for non-free JDKs jdkgcj is a collection of wrapper scripts around gcj and gij (GCC's Java implementation, as found in current versions of GCC), trying to provide a drop-in replacement for the various non-free Java Development Kit implementations. jdkgcj is far from complete, mostly because gcj is not quite complete yet. If you find any problems in jdkgcj, please report them at . gcj 1 , gij 1