Swift, a Swift Sample

Swift, a Swift Sample
@FinneyCanHelp aka Mike Finney
from CARFAX, Inc.

Swift
 How Popular is Swift?
 Where is Swift used?
 What Swift Basic and Advanced Items You’ll See
 Swift Coding Examples Using Playground
 Swift Learning Resources

Most Loved SO 2017 Survey
 Swift Ranks 4th - 63.9 %
 Java Ranks 17th - 50.5%
“% of developers who are developing with the language or
technology and have expressed interest in continuing to
develop with it”
-- Stack Overflow Developer Survey Results 2017

Most Dreaded
 Objective-C Ranks 6th – 68.1%
 Java Ranks 19th – 49.5%
“% of developers who are developing with the language or
technology but have not expressed interest in continuing
to do so”
-- Stack Overflow Developer Survey Results 2017

Blowing Away C Languages
 “Swift is intended as a replacement for C-based
languages (C, C++, and Objective-C).”
Source: swift.org/about

Where Swift?
 On macOS (Desktop apps),
 iOS (iPads and iPhones)
 watchOS (Apple Watch)
 tvOS (Apple TV)
 On Servers
 “Top Server-Side Swift frameworks at this time
are Vapor, Perfect, Kitura, and Zewo”
 “Current Features & Benefits of the Top Server-Side Swift
Frameworks” by Ryan Collins

Swift Syntax
 Constants and Variables
 Basic Types: Int, String, arrays, dictionaries (like Java
Map), …
 Optionals – nil (like Java’s null)
 Basics: “if”, “for”, “switch”, “while”
 Tuples

Swift Syntax
 Functions
 Classes
 Enums – Oh, the power! 💪
 Closures
 Structs
 Generics

Swift Syntax
 Inheritance
 Protocols and Protocol Extensions
 http://j.mp/swiftBasics - Language Guide

No Time This Time
 MVC – Model View Controller in Swift and iOS
 MVVM (Model View View-Model) + Services; RxSwift

CARFAX Code-ish
enum ListingRequest: URLRequestConvertible {
case saveSearch(savedSearch: ConsumerSearch)
var method: HTTPMethod {
switch self {
case .saveSearch:
return .post

CARFAX Hiring - Choices
 http://bit.ly/carfaxAllJobsJuly - Straight to All Jobs
 http://www.CARFAX.com - click on Careers
 http://bit.ly/carfaxColumbiaJuly - Columbia Only
 http://bit.ly/carfaxDeveloperJuly - Developers

Swift Learning Resources
 The Swift Programming Language - The Basics
 Google “swift language reference”
 OR http://j.mp/swiftBasics
 IBM Swift Sandbox – https://swift.sandbox.bluemix.net
 https://stackoverflow.com/
 https://bitbucket.org/finneycanhelp/swift_sample

Resources
 Images from https://pexels.com
 Stack Overflow Developer Survey Results 2017 -
https://insights.stackoverflow.com/survey/2017
 Swift - https://swift.org – get an overview. Not best place to start learning.
 “Swift! Optionals?” – https://medium.com/ios-os-x-development/swift-optionals-
78dafaa53f3
 “Swift for the Java Guy Part 2: The Basics” – https://dzone.com/articles/swift-for-
the-java-guy-part-2-the-basics

Swift, a Swift Sample

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