2005 Oopsla Classboxj

The document discusses Classbox/J, a module system for Java that allows modifications without breaking existing clients, addressing issues of code duplication and rigid inheritance in AWT and Swing. It introduces keywords like 'refine' and 'original' to facilitate the refinement of classes within Classboxes, enabling easier management of unanticipated changes. The conclusion highlights that Classboxes offer a powerful alternative to traditional inheritance mechanisms in Java, assisting with performance improvements and refined code structures.