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Swift Vs. Kotlin: Two parts of same coin or are extremums?

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Is it Swift or Kotlin that you are falling for? When they are together their chemistry is off the charts but do you get the same level of investment from Kotlin Vs. Swift? Read through, you might be surprised by the answer!

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This post will discuss how the stated design goals of each language influence the Swift Vs. Kotlin comparison and how well each of these fits into their domains or work alternatively. Most of the times I’m concerned about whether the language code is re-usable or if two language codes can be used together, simultaneously. This practice not only eases out the programming but as well simplifies the code and makes it look better than normal ones.

Let’s sketch out the differences - Kotlin and Swift:

What is Swift?

A general purpose programming language, Swift is a compiled language developed by Apple. It works on functional and object-oriented paradigms, Swift eases the code development with effortlessness and speed. Combining the best features of object-oriented languages as Objective-C and C, it inherits many object-oriented features and instances. Unifying Cocoa Touch structures, Cocoa, OS X, Watch OS, tv OS – Swift works closely with Objective C but in a strategic and refined way.   

Swift adopts modern programming patterns and has been into practice since years. A feature that defines Swift is:

  • Variable initialization and functional declaration
  • Arrays are always checked for out of bound errors
  • Integers are always checked for overflow
  • Null values are handled explicitly
  • Automatic memory management
  • Controlled recovery through error handling from unexpected failures

Example 1:

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Active Applications of Swift

macOS, iOS, watchOS, and tvOS

What is Kotlin?

Kotlin is 100% interoperable with Android and Java and is used for building applications for JVM, Android, browser, and Native. Code written in Kotlin is concise, safe, and interoperable and tool friendly.

Example 1:

Package hello

Fun main (args: Array <String>)

{

            Println (“Hello World!”)

}

In the above program, the package header is optional. Package level function takes an array of strings as a parameter. Semi-colons are also optional. It's that easy!

Example 2:

fun printProduct(arg1: String, arg2: String) {

    val x = parseInt(arg1)

    val y = parseInt(arg2)

    // Using `x * y` yields error because they may hold nulls.

    if (x != null && y != null) {

        // x and y are automatically cast to non-nullable after null check

        println(x * y)

    }

    else {

        println("either '$arg1' or '$arg2' is not a number")

    }   

}

Active Applications of Kotlin

  • Pinterest
  • Gradle
  • Evernote
  • Uber
  • Corda
  • Coursera
  • Pivotal
  • Atlassian  

Turn Over

Java used to be the most convenient language for Android developers. It increased developers’ productivity and was user-friendly as well. This concept was taken a step ahead by Kotlin as soon as Google started supporting it in 2017. There were a number of reusable libraries and some additional productivity tools that made it comparable to Swift. Both are high-level programming languages and share similarities as well as differences

Kotlin can be considered as a programming option for the following reasons:

  • Kotlin Is A High-Level Language And Can Perform Complex Functions
  • Kotlin is being regularly upgraded for better usage
  • It Makes Android App Development Easier And Faster
  • Kotlin Works Seamlessly With Android Studio
  • Kotlin Requires Less Coding And Is Safer Than Java
  • It Can Be Run On Multiple Platforms

Swift has been driving iOS app development as the code is safe by design and lightning fast as compared to Kotlin. While Kotlin has been shaping the Android development scenario, Swift is the face of iOS app development. As both these languages have been through periodic advancements and updates, this debate continues to go on. Swift can be used to build amazingly fast native applications for iPhones while Kotlin code requires less coding and can be run on multiple platforms. Being safer than Java it is faster, it can help create fast and slimmer applications. My take is Kotlin for this debate Kotlin Vs. swift!   

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