In just 24 lessons of one hour or less, <i><b>Sams Teach Yourself Swift in 24 Hours, Second Edition</b></i>&nbsp;helps you build next-generation OS X and iOS apps with Apple’s the Swift 2.x&nbsp;programming language.<br><br>This book’s straightforward, step-by-step approach helps you quickly master Swift’s core concepts, structure, and syntax and use Swift to write safe, powerful, modern code. In just a few hours you’ll be applying advanced features such as extensions, closures, protocols, and generics. Every lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success.<br><br><b>Step-by-step instructions</b> carefully walk you through the most common Swift development tasks.<br><b>Practical, hands-on examples</b> show you how to apply what you learn.<br><b>Quizzes and exercises</b> help you test your knowledge and stretch your skills.<br><b>Notes and tips</b> point out shortcuts and solutions.<br><br>Learn how to...<br><ul><li>Set up your Swift development environment </li><li>Master Swift’s fundamental data types and operators </li><li>Make the most of arrays and dictionaries </li><li>Control program flow, modify execution paths, and iterate code </li><li>Perform complex actions with functions </li><li>Work with higher-order functions and closures </li><li>Harness the power of structs, enums, classes, and class inheritance </li><li>Customize initializers of classes, structs, and enums </li><li>Implement instance methods, type methods, and advanced type functionality </li><li>Take full advantage of Swift’s advanced memory allocation </li><li>Extend type functionality with protocols and extensions </li><li>Leverage the power of generics, chaining, and other advanced features </li><li>Interoperate with Objective-C code </li><li>Interact with user interfaces </li><li>Take advantage of Swift’s Standard Library features and functions </li></ul>