This is the source code for Chapter 20. As ususal the Java source code appears in the src directory, build.bat builds it, and clean.bat cleans up. To test the RMI client/server simulation demo open two command shells. Run server.bat in one to run the server, and run the client in a different command shell with client.bat. This demo uses the Histogram class developed in Part 1 of the book. The histogram.jar file appears in the ext directory