The app supports the four standard data management operations
For playing with the app, you may first want to and then view it (e.g. by choosing "Manage books" and then "List all books").
This example app for the last Part of our 5-part tutorial takes care of two class hierarchies:
The simple segmentation of Book into TextBook and Biography.
The segmentation of Person into Author and Employee such
that Employee has a further segment, Manager.
For reading more about the other example apps of this 5-part tutorial, see our