Practical Object-Oriented Design: An Agile Primer Using Ruby, 2nd edition
Practical Object-Oriented Design: An Agile Primer Using Ruby
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The Complete Guide to Writing Maintainable, Manageable, Pleasing, and Powerful Object-Oriented Applications
Object-oriented 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 object-oriented (OO) applications that are difficult to understand and expensive to change. Practical Object-Oriented Design, Second Edition, immerses you in an OO mindset and teaches you powerful, real-world, object-oriented 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 easy-to-understand 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 object-oriented experience, this concise guide will help you achieve the superior outcomes you’re looking for.
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Table of contents
Chapter 1: Object-Oriented Design
Chapter 2: Designing Classes with a Single Responsibility
Chapter 3: Managing Dependencies
Chapter 4: Creating Flexible Interfaces
Chapter 5: Reducing Costs with Duck Typing
Chapter 6: Acquiring Behavior through Inheritance
Chapter 7: Sharing Role Behavior with Modules
Chapter 8: Combining Objects with Composition
Chapter 9: Designing Cost-Effective Tests
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Published by Addison-Wesley Professional (August 22nd 2018) - Copyright © 2019