A Java library with features like: type handling with aliases, easy discovery and accessors for JavaBeans properties, FOP collections (map, filter) and support for toString() implementation even for the most complex cases. It is being constantly updated.

Check out the complete list of features.

If you use maven, the repository is http://ckkl-core.svn.sourceforge.net/svnroot/ckkl-core/m2repo

Version 0.3.5 is the last to support JDK 1.4.