In just 24 lessons of one hour or less, Sams Teach Yourself Swift in 24 Hours, Second Edition, will teach you how to build next-generation OS X and iOS apps with Apple's Swift 2 programming language. This book's straightforward, step-by-step approach helps you quickly master Swift 2's core concepts, structure, and syntax and use Swift to write safe, powerful, modern code. In just a few hours you'll be applying 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.

Step-by-step instructions carefully walk you through the most common Swift 2 programming tasks.
Practical, hands-on examples show you how to apply what you learn.
Quizzes and exercises help you test your knowledge and stretch your skills.
Notes and tips point out shortcuts and solutions.

Learn how to...


Get started with Swift 2.0's Xcode 7 development environment
Master Swift's fundamental data types
Use operators to change, assign, combine, check, or verify values
Retain data and preferences in memory with arrays, sets, and dictionaries
Control program flow, modify execution paths, and iterate code
Perform complex actions concisely with Swift 2.0's improved functions
Work with higher-order functions and closures
Harness the power of structs, enums, classes, and class inheritance
Take advantage of Swift's advanced memory allocation and references
Use protocols to define behavior and explore Protocol-Oriented Programming
Add type functionality with extensions
Smoothly handle errors
Leverage the power of generics to create flexible and reusable code
Interoperate with Objective-C code
Get started with Functional Programming approaches and thinking functionally