inheritance « Class « Ruby

1.Basing one class on another is called inheritance.
2.Extends class inheritance works in code form
4.Basing One Class on Another: a Demo
5.different types of people
6.Structuring Your Pets Logically
7.If the class Name were in a different file, you would just require that file first
8.Add new constructor
9.Module and class hierarchy

10.Subclass Array class