Swift vs Objective-C

May 05, 2022

Introduction

Are you a software developer and wondering which language to use for your next project? You're not alone. Among the common debates in software development is which programming language to use. In the world of iOS development, the two major programming languages are Swift and Objective-C.

In this post, we'll explore the differences between the two languages, including their syntax, performance, and popularity.

Syntax

The syntax between Swift and Objective-C is quite different. Objective-C uses a more verbose syntax, while Swift's syntax is more concise and readable. Objective-C is based on C, so it retains the C-like syntax of square brackets and semicolons.

On the other hand, Swift uses a more modern syntax that's easier to read and write. Swift code is less prone to syntax errors and requires less code to accomplish the same task. For example, in Objective-C, you have to use a semicolon to end each statement, but in Swift, the semicolon is optional.

Performance

When it comes to performance, Swift is faster than Objective-C. Swift was designed to be faster and more efficient than its predecessor. Apple claims that Swift is up to 2.6 times faster than Objective-C and up to 8.4 times faster than Python.

Swift also uses Automatic Reference Counting (ARC), which frees up developers from having to manually manage memory. This feature helps optimize performance and reduces the likelihood of crashes.

Popularity

Objective-C has been the primary language for developing iOS apps for over a decade, but Swift is quickly gaining popularity. According to the TIOBE index, Swift is currently the 10th most popular programming language, while Objective-C is at the 13th place.

Swift's popularity is also reflected in the number of developers using it. In 2020, there were 8.6 million active developers using Swift, while Objective-C had 3.5 million.

Conclusion

Both Swift and Objective-C have their strengths and weaknesses, but ultimately, the choice of programming language will depend on your project's requirements. If you value performance and modern syntax, Swift is the way to go. However, if you're working on a legacy project or prefer more verbose syntax, Objective-C might be a better choice.

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