I think it would be helpful to have a sample chapter. I haven't read an OOP book in awhile, but when I did they often had a lot of examples that while reasonab

I think it would be helpful to have a sample chapter. I haven't read an OOP book in awhile, but when I did they often had a lot of examples that while reasonably easy to follow didn't actually translate into real world usage (`Car extends Vehicle implements Drivable` or whatever).