{"product_id":"9780134456478-practical-object-oriented-design-in-ruby-an-agile-primer","title":"Practical Object-Oriented Design","description":"\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\u003cp\u003e\u003cspan\u003eAn Agile Primer Using Ruby\u003cbr\u003e\u003cp\u003eThe Complete Guide to Writing Maintainable, Manageable, Pleasing, and Powerful Object-Oriented Applications\u003c\/p\u003e \u003cp\u003eObject-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. \u003cem\u003e\u003cstrong\u003ePractical Object-Oriented Design, Second Edition,\u003c\/strong\u003e\u003c\/em\u003e immerses you in an OO mindset and teaches you powerful, real-world, object-oriented design techniques with simple and practical examples.\u003c\/p\u003e \u003cp\u003eSandi 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\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDecide what belongs in a single class\u003c\/li\u003e\n\u003cli\u003eAvoid entangling objects that should be kept separate\u003c\/li\u003e\n\u003cli\u003eDefine flexible interfaces among objects\u003c\/li\u003e\n\u003cli\u003eReduce programming overhead costs with duck typing\u003c\/li\u003e\n\u003cli\u003eSuccessfully apply inheritance\u003c\/li\u003e\n\u003cli\u003eBuild objects via composition\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhatever your previous object-oriented experience, this concise guide will help you achieve the superior outcomes you’re looking for.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eRegister your book for convenient access to downloads, updates, and\/or corrections as they become available. See inside book for details.\u003c\/em\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Rarewaves","offers":[{"title":"Default Title","offer_id":31908279517281,"sku":"9780134456478","price":34.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7504\/8033\/files\/orig_41504930_61505355-021a-4023-8e20-aace8bd93f53.jpg?v=1780539630","url":"https:\/\/www.rarewaves.com\/products\/9780134456478-practical-object-oriented-design-in-ruby-an-agile-primer","provider":"Rarewaves.com","version":"1.0","type":"link"}