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You're reading from  Swift Cookbook - Second Edition

Product typeBook
Published inFeb 2021
Reading LevelIntermediate
PublisherPackt
ISBN-139781839211195
Edition2nd Edition
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Authors (2):
Keith Moon
Keith Moon
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Keith Moon

Keith Moon is an award-winning iOS developer, author and speaker based in London. He has worked with some of the biggest companies in the world to create engaging and personal mobile experiences. Keith has been developing in Swift since its release, working on projects both fully Swift, and mixed Swift and Objective-C. Keith has been invited to speak about Swift development in conferences from Moscow to Minsk and London.
Read more about Keith Moon

Chris Barker
Chris Barker
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Chris Barker

Chris Barker is an iOS developer and tech lead for fashion retailer N Brown (JD Williams, SimplyBe, Jacamo), where he heads up the iOS team. Chris started his career developing .NET applications for online retailer dabs (now BT Shop) before he made his move into mobile app development with digital agency Openshadow (now MyStudioFactory Paris). There, he worked on mobile apps for clients such as Louis Vuitton, L'Oréal Paris, and the Paris Metro. Chris often attends and speaks at local iOS developer meetups and conferences such as NSManchester, Malaga Mobile, and CodeMobile.
Read more about Chris Barker

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Encapsulating functionality in object classes

Object-oriented programming is a common and powerful programming paradigm. At its core is the object class. Objects allow us to encapsulate data and functionality, which can then be stored and passed around.

In this recipe, we will build some class objects, break down their components, and understand how they are defined and used.

How to do it...

Let's write some code to create and use class objects, and then we will walk through what the code is doing:

  1. First, create a Person class object:
class Person { 

}
  1. Within the curly brackets, { and }, add three constants representing the person's name, and one variable representing their country of residence:
let givenName: String 
let middleName: String
let familyName: String
var countryOfResidence: String = "UK"
  1. Below the properties, but still within the curly brackets, add an initialization method for our Person object:
init(givenName: String, middleName: String, familyName...
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Swift Cookbook - Second Edition
Published in: Feb 2021Publisher: PacktISBN-13: 9781839211195

Authors (2)

author image
Keith Moon

Keith Moon is an award-winning iOS developer, author and speaker based in London. He has worked with some of the biggest companies in the world to create engaging and personal mobile experiences. Keith has been developing in Swift since its release, working on projects both fully Swift, and mixed Swift and Objective-C. Keith has been invited to speak about Swift development in conferences from Moscow to Minsk and London.
Read more about Keith Moon

author image
Chris Barker

Chris Barker is an iOS developer and tech lead for fashion retailer N Brown (JD Williams, SimplyBe, Jacamo), where he heads up the iOS team. Chris started his career developing .NET applications for online retailer dabs (now BT Shop) before he made his move into mobile app development with digital agency Openshadow (now MyStudioFactory Paris). There, he worked on mobile apps for clients such as Louis Vuitton, L'Oréal Paris, and the Paris Metro. Chris often attends and speaks at local iOS developer meetups and conferences such as NSManchester, Malaga Mobile, and CodeMobile.
Read more about Chris Barker