Hello Jeanne and Scott, I believe that there is a small inconsistency in Chapter 6 review question 14. It suggests introducing the third module magic.helper but answers contain instead of the module magic.helper.
Suppose you have a project with one package named magic.wand and another project with one package named magic.potion. These projects have a circular dependency, so you decide to create a third project named magic.helper. The magic.helper module has the common code containing a package named magic.util. For simplicity, let's give each module the same name as the package.
Excerpt From: 2020. “Boyarsky J., Selikoff S. - OCP Oracle Certified Professional Java SE 11 Programmer II Study Guide