openjdk-6-source-files 6b14-1.4.1-0ubuntu10 (i386 binary) in ubuntu jaunty

 OpenJDK is a development environment for building applications,
 applets, and components using the Java programming language.
 .
 This package contains the OpenJDK upstream source. You do not want to
 install this package unless you use these as a build dependency.
 You are likely to look for the openjdk-6-source package.
 (src.zip) for all classes that make up the Java core API.