Sandi Metz Practical Object-Oriented Design Paperback Book Multicolor

The Complete Guide to Writing Maintainable, Manageable, Pleasing, and Powerful ObjectOriented Applications Objectoriented programming languages exist to help you create beautiful, straightforward applications that are easy to change and simple to extend. Unfortunately, the world is awash with objectoriented (OO) applications that are difficult to understand and expensive to change. Practical ObjectOriented Design, Second Edition, immerses you in an OO mindset and teaches you powerful, realworld, objectoriented design techniques with simple and practical examples. Sandi Metz demonstrates how to build new applications that can survive success and repair existing applications that have become impossible to change. Each technique is illustrated with extended examples in the easytounderstand Ruby programming language, all downloadable from the companion website, poodr.com. Fully updated for Ruby 2.5, this guide shows how to 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 Whatever your previous objectoriented experience, this concise guide will help you achieve the superior outcomes youre looking for. Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details. Sandi Metz Practical Object-Oriented Design Paperback Book