Apple created Swift in 2014 to provide developers with a powerful language for developing apps for iOS, macOS, tvOS, watchOS, and iPadOS. Swift is an open-source, multi-paradigm programming language. Swift was designed to replace C-based languages, and is constantly evolving.

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What is Swift App Development?
Apple created Swift in 2014 to provide developers with a powerful language for developing
apps for iOS, macOS, tvOS, watchOS, and iPadOS. Swift is an open-source, multi-paradigm
programming language. Swift was designed to replace C-based languages, and is constantly
evolving. The Swift community continues to grow and evolve. It is safe, fast, and expressive.
GitHub is a great place to find Swift source code, allowing anyone to access it.
Swift features
 You can write generic functions and types that are flexible, reusable, and can work
with almost any type using generics.
 In Swift, errors can be thrown, caught, propagated, and manipulated at runtime.
 Defining structures and classes in Swift is as simple as defining them in a single
file, and then making them available to other code via their external interface.
 Rather than defining behaviour in global functions or individual conformance,
Swift allows you to define behaviour on protocols themselves.
 You can write code that is safe from memory issues because Swift manages
memory automatically.
 App's memory usage is managed automatically by Swift's Automatic Reference
Counting (ARC), which saves us from having to worry about memory management.
 It is possible to have payloads and pattern matching in Swift enums.
 A Swift package manager is a cross-platform tool that can be used for building,
running, testing, and packaging Swift libraries and executables.
 Swift is capable of debugging through the LLDB debugger which includes a REPL,
a debugger, consistent formatting, failure recovery, expression evaluation, and
integrated debugging.
 Apps can be binary-compatible with Swift in its latest version. Swift libraries are
included in every release of the OS, so your apps will use the latest version of the
library, and your code will not need to be recompiled.

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 Using tuples, we can group values and share them with others. Tuples can be used
to return multiple values in one place.
 Swift offers a lightweight closure syntax that has been optimized to provide a
clutter-free style and a clutter-free syntax.
Why should learn Swift Programming Language?
Swift is an easy-to-learn, easy-to-use programming language. Apple designed it to make
coding easier. Swift is a great first language to learn if you're still in school, exploring a new
career path, or want to know how to code. Swift Playgrounds is an iPad app that teaches
you Swift coding in an easy to learn manner.
Swift will make you more appealing to employers once you learn it. Swift developers are
highly sought after. Apple has created around two million jobs in the United States,
according to the company. Indeed reports that iOS developers in the United States earn on
average $116,804. Swift is a good language to learn if you're interested in developing apps.
Swift Pros
 Swift is fast and powerful because it makes writing code intuitive and efficient
using the LLVM compiler.
 It's easy to use and understand thanks to Swift APIs. You get cleaner code with
inferred types. You get namespaces and no headers.
 Beginners will find Swift easy to learn. Getting started with Swift code is easy with
Swift Playgrounds for iPad, and you can learn how to build Xcode apps with
courses.
 There are several safety features in Swift, such as automatic memory
management, value types, and variable initialization. If you try to use a nil object
in Swift, you will be stopped by the compiler. Runtime crashes can be prevented
by these features.
 The Swift programming language runs across all Apple platforms, Linux,
Windows, and Ubuntu.
 When needed, dynamic libraries are uploaded outside of your code. In every
device release, libraries are included.

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 There is a large and active open-source community for Swift. Additionally, there
are many resources available to help you learn the language.
Swift Cons
 Beginners will find Swift easy to learn. Getting started with Swift code is easy with
Swift Playgrounds for iPad, and you can learn how to build Xcode apps with
courses.
 There are several safety features in Swift, such as automatic memory
management, value types, and variable initialization. If you try to use a nil object
in Swift, you will be stopped by the compiler. Runtime crashes can be prevented
by these features.
 The Swift programming language runs across all Apple platforms, Linux,
Windows, and Ubuntu.
 When needed, dynamic libraries are uploaded outside of your code. In every
device release, libraries are included.
 There is a large and active open-source community for Swift. Additionally, there
are many resources available to help you learn the language.
Swift vs Objective-C
 There are two main types of Objective-C programming languages: general-
purpose and object-oriented. OS X and iOS were developed using this language
before Swift was introduced in 2014. Smalltalk and C are combined in this
language. It is still necessary to maintain existing Objective-C apps after Swift was
created, even though its use and popularity have declined.
 How does Swift differ from other programming languages?

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The first thing to note is that Swift is not a direct descendant of Objective-C. It is
possible to develop mobile apps using both languages, as they have different
capabilities. In this comparison, we will compare the two languages side by side.
Swift
There are many programming languages you can use with Swift,
including Xcode, Swift Playgrounds, Cocoa Touch, and more.
It is currently required that an iPhone or iPad developed prior to 2014 has iOS
7 compatible with your apps.
With Swift, you can code faster thanks to its simple
syntax and modern, human-friendly design.
In comparison to Objective-C, Swift is 2.6 times faster for Apple.
The documentation for Swift is constantly updated and has a lot of
information.
As Swift developers become more in demand, the demand
for their services will increase.
Objective-C
 Xcode is the main development tool for Objective-C.
 Regardless of the iOS version, your apps will work.
 Objective-C isn't as intuitive and human-friendly as Java, so it typically
slows down coding speed.
 Because Objective-C has a more complex syntax, it takes longer to write
than Swift.
 There is a lot of documentation for Objective-C, but it is rarely updated.
 It is becoming less and less popular to work with Objective-C.

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 The advantages of Swift outweigh its disadvantages because it's more
intuitive, safer, faster, and interactive than most other languages. Swift
code can live side by side with Objective-C code because Swift has
Objective-C interoperability. A full set of Objective-C APIs will also be
available to you.
Conclusion:
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