Object-Oriented Software

What does it mean to be Object-Oriented ?

1. encapsulation
2. information/implementation hiding
3. state retention
4. object identity
5. messages
6. classes
7. inheritance
8. polymorphism
9. genericity

Classes, Inheritance, Polymorphism examples in Python

• Classes
  • API
  • colorized source code
  • Point.py
• Class variables
  • API
  • colorized source code
  • classVar.py
  • A trace of classVar use.
• Inheritance
  • API
  • colorized source code
  • inheritance.py
• Polymorphism
  • API
  • colorized source code
  • polymorph.py
  • A trace of polymorph use.