Book Image

Mastering iOS 12 Programming - Third Edition

By : Donny Wals
Book Image

Mastering iOS 12 Programming - Third Edition

By: Donny Wals

Overview of this book

The iOS development environment has significantly matured, and with Apple users spending more money in the App Store, there are plenty of development opportunities for professional iOS developers. However, the journey to mastering iOS development and the new features of iOS 12 is not straightforward. This book will help you make that transition smoothly and easily. With the help of Swift 4.2, you’ll not only learn how to program for iOS 12, but also how to write efficient, readable, and maintainable Swift code that maintains industry best practices. Mastering iOS 12 Programming will help you build real-world applications and reflect the real-world development flow. You will also find a mix of thorough background information and practical examples, teaching you how to start implementing your newly gained knowledge. By the end of this book, you will have got to grips with building iOS applications that harness advanced techniques and make best use of the latest and greatest features available in iOS 12.
Table of Contents (35 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Questions


  1. Which statement about reference types is false?

a) Reference types are stored on the heap. b) Reference types can always be subclassed. c) Reference types can conform to multiple protocols.

  1. Which statement about value types is true?

a) Value types are stored on the heap. b) Value types can always be subclassed. c) Values types can conform to multiple protocols.

  1. What does heap allocation mean?

a) An object allocated on the heap is stored at a fixed place in memory. b) An object allocated on the heap is stored with a variable size in RAM memory. c) It means that an object is stored in an optimized location.

  1. You should always use a struct for your data models. True or false?

a) True, because you don't need inheritance. b) False, it depends on whether your models have an identity. c) False, because data models should always be subclassed.

  1. What keyword should you add to a function that mutates a property on a struct?

a) mutates. b) mutating. c) updates.

  1. Which type of object is not allocated on...