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  • Book Overview & Buying Learning Swift Second Edition
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Learning Swift Second Edition

Learning Swift Second Edition - Second Edition

By : Andrew J Wagner
5 (1)
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Learning Swift Second Edition

Learning Swift Second Edition

5 (1)
By: Andrew J Wagner

Overview of this book

Swift is Apple’s new programming language and the future of iOS and OS X app development. It is a high-performance language that feels like a modern scripting language. On the surface, Swift is easy to jump into, but it has complex underpinnings that are critical to becoming proficient at turning an idea into reality. This book is an approachable, step-by-step introduction into programming with Swift for everyone. It begins by giving you an overview of the key features through practical examples and progresses to more advanced topics that help differentiate the proficient developers from the mediocre ones. It covers important concepts such as Variables, Optionals, Closures, Generics, and Memory Management. Mixed in with those concepts, it also helps you learn the art of programming such as maintainability, useful design patterns, and resources to further your knowledge. This all culminates in writing a basic iOS app that will get you well on your way to turning your own app ideas into reality.
Table of Contents (14 chapters)
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13
Index

Behavioral patterns


Behavioral patterns are patterns that describe how objects will communicate with each other. In other words, it is how one object will send information to another object, even if that information is just that some event has occurred. They help to lower the code's coupling by providing a more detached communication mechanism that allows one object to send information to another, while having as little knowledge about the other object as possible. The less any type knows about the rest of the types in the code base, the less it will depend on those types. These behavior patterns also help to increase cohesion by providing straightforward and understandable ways to send the information.

This can often be the difference between doing something, such as calling your sister to ask your mom to ask your grandpa what he wants for his birthday and being able to ask your grandpa directly because you have a good communication channel open with him. In general, we will want to have...

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Programming languages
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Learning Swift Second Edition
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