1. Object Oriented Programming
7 Habits of Highly Effective Objects

2. OOP Attributes Encapsulation Inheritance Polymorphism
Polymorphism: The ability to substitute objects that have an identical Interface at run-time (through dynamic binding).
Dynamic binding: run-time association of a request to an object.

3. OOP Attributes Identity Abstraction Classification Persistence
Polymorphism: The ability to substitute objects that have an identical Interface at run-time (through dynamic binding).
Dynamic binding: run-time association of a request to an object.