This release contains the following: JastAddModules-bin.jar - the implementation of the module type system case_study - contains the JHotdraw 7.1 case study examples - contains small examples using the module type system. The JHotdraw case study itself is found in case_study/JHotdraw 7.1/ Change to that directory to try out the case study samples. Documentation for the JHotdraw case study can be found in case_study/JHotdraw 7.1/readme.txt If you wish to create your own builds to test the module system, see jastaddmodules-readme.txt