The Java Business Frameworks are a convergence of 00 Framework development methods, Java implementation best-practices and business system domain patterns in a distributed environment. They teach the concepts of, develop designs for and describe the step-by-step implementation of GUI patterns, Domain patterns and persistence patterns in an object-oriented framework using the Java language.The emphasis is on designing a distributed architecture for your business, then seeing how you can build or plan to build a framework of reusable components; how to handle the analysis, design, development and deployment of CORBA/RMI-based services within the context of a business system.Two case studies are presented and the participants are taken step by step through the issues and design decisions that make developing robust, industrial-strength application a complex process.