Practical Object-Oriented Design In Ruby

Practical Object-Oriented Design in Ruby (POODR) is a programmers tale about how to write object-oriented code. It explains object-oriented design (OOD) using realistic, understandable examples. POODR is a practical, readable introduction to how OOD can lower your costs and improve your applications.

POODR will help you:

Decide what belongs in a single class
Avoid entangling objects that should be kept separate
Define flexible interfaces among objects
Reduce programming overhead costs with duck typing
Successfully apply inheritance
Build objects via composition
Design cost-effective tests
Craft simple, straightforward, understandable code
If your code is killing you and the joy is gone, POODR has the cure.

label object-oriented, ruby