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Introduction
Swift is one of the most significant ways to write software, whether for desktops, phones, servers, or anything that runs code. Swift is a fast, safe, and interactive programming language that is one of the best in modern language thinking with great minds from the broader Apple engineering culture and the different contributions from its open-source community. The compiler is designed to be performed, and the language is optimized for development without compromising on either.
Source: inquisitiveone.in
Swift gives answers to classes of common programming errors by adopting modern programming patterns:
Variables are always initialized before use.
Array indices are checked for out-of-bounds errors.
Integers are checked for overflow.
Optional ensures that nil values are handled explicitly.
Memory is managed automatically.
Error handling allows controlled recovery from unexpected failures.
Swift collaborates powerful type inference and pattern matching with a modern, lightweight syntax, allowing complex ideas to be expressed in a clear and incisive manner. As a result, code is not just easier to write but easier to read and maintain as well.
Examples
Printing the most common words "Hello, Ninja!" on the screen just takes a line in a swift
// Prints "Hello, Ninja!"
print("Hello, Ninja!")
In Swift, this code is a complete program; there is no need to import a library.
The grammar of this language is very handy and easy to use or understand.
Swift Online Resources
Some of the best swift online resources are as follows:
Source: Apple Developer
SWIFT PLAYGROUNDS
source:Wikipedia
Xcode has a built-in feature known as Playgrounds. It is an interactive development environment for developers to experiment with Swift programming and allows you to see the result of your code in real-time.
With Swift Playgrounds, you develop apps using SwiftUI. One of the most influential and modern applications used by developers worldwide to power their app experience. SwiftUI makes it quickly create an elegant app experience and express your ideas. We can also access key frameworks, such as SpriteKit, Metal, and Bluetooth. Your code can interact directly with the Mac or iPad on which it runs. For instance, your playgrounds respond to touch gestures and interact with hardware on the iPad, such as the accelerometer, camera, and gyroscope.
Swift Playgrounds makes it easier to code your creations, with support for swift packages. Packages are bundles of codes that can be developed by anyone or by other developers who are included in the projects. With the assistance of packages, you can quickly write codes that format data, query databases, communicate over a network and more.
APPCODA
Source: theindianwire
APPCODA is the leading IOS programming community that aims to teach everyone how to build apps with high-quality and easy-to-read materials. It is one of the best startups for swift online resources.
SWIFT.ORG
Source:theindianwire
Swift.org is the official swift online resource that Apple Inc manages. This swift online resource provides all the information about how to use the Swift programming language. It provides a swift tour of The Swift Programming language, for a real quick guide to the most important concepts on swift, for those new to swift.
UDACITY
Udacity is one the best platforms to learn any programming language, making it the best online resource to learn swift programming language. The Swift for Beginners by Udacity will help you understand the Swift language from scratch.
UDEMY
Swift Programming for Beginners is a free course by Udemy which helps you to learn how to write and read swift codes and master cocoa-touch to build iOS applications and more. This course covers Swift front and swift back from installing Xcode to Generic type.
COURSERA
Introduction to programming in Swift 5 is a course by Coursera which helps you to learn the basics of Swift programming language for beginners. This swift course will start with an introduction to Swift programming concepts, then work on programming language, object-oriented concepts, and much more.
RAYWENDERLICH
raywenderlich is a platform to learn IOS and swift development. Your first iOS & SwiftUI App course is provided by Raywenderlich to build an application from swift from scratch. This website is the best investment if you want to learn swift from basics to the core.
Frequently Asked Questions
Will iOS 8 and OS X Yosemite apps only use Swift?
The answer to this question is no. Apple has made its Swift in such a way that it fluently interoperates with Objective-C and vice versa! Apple has not fully converted its Objective-C APIs and Frameworks to Swift, but you can still use them from your Swift code.
Is Swift meant to replace Objective-C or supplement it?
The same goes with this answer NO.
Apple, "Objective-C isn't going away; both Swift and Objective-C are first-class citizens for doing Cocoa and Cocoa Touch development."
So Objective-C can still be used. However, Apple seems to lean towards Swift for development while not expecting you to go back and rewrite all of your Objective-C code.
Does SwiftUI use Auto Layout?
While Auto Layout is certainly being used for some things behind the scenes, it is not exposed to us as SwiftUI development; while AutoLayout is certainly for behind-the-scenes work, it is not exposed to us as SwiftUI developers. Rather, it uses a flexible box layout system that will be familiar to developers coming from the web.ers. Rather, it uses a flexible box layout system that will be familiar to developers coming from the web.
What is Swift good for?
Swift is an intuitive and powerful programming language for iPadOS, macOS, iOS, and watchOS.The syntax of Swift is incisive yet expressive; writing swift code is interactive and fun.
What are swift and Kotlin?
Swift is used as a programming language for iOS app development, whereas Kotlin is used as a programming language for android.
Conclusion
This article extensively discussed swift online resources, which are the best way to learn swift. We started with an introduction of swift, then saw an example of swift, and after that, we have seen some of the best swift online resources to learn swift.
After reading about swift closures, are you not feeling excited to read/explore more articles on the topic of Swift? Don’t worry; Coding Ninjas has covered you. To learn, see The definitive swift tutorial for beginners, swift syntax and program, swift generics, swift vs. Objective-C, and swift protocols.
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