Cosmin Pupăză

Cosmin has been writing tutorials and books on Swift and iOS development since 2014, when the first version of Swift was released. He has been part of influential iOS development communities such as raywenderlich.com and appcoda.com since 2010 and has taught iOS development with Objective-C and Swift since 2012. Cosmin lives in Romania and has engineering degrees in electronics, telecommunications, neural networks, microprocessors, microcontrollers, distributed systems, and web technologies from the technical universities of Cluj-Napoca and Iași. He has worked with many programming languages over the years, but none of them has had such a significant impact on himself as Swift. Cosmin likes to play the guitar or study WW2 history when not coding

Swift Arrays: The Most Used Collection to Organize Data

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Arrays are the most commonly used data type in Swift and other programming languages. You will often use arrays to organize your app’s data as they are the most versatile data structure.

This article will explore the most common features of arrays in Swift.

Write Shorter Conditions with the Swift Ternary Operator

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The ternary operator is a conditional operator that you can use to write complex conditions using just one line of code. It is straightforward to use and powerful.

In this article, I will highlight the most common use cases of the ternary operator in Swift. I will also review the advantages and disadvantages of writing conditions using the ternary operator instead of if-else statements.

Take Decisions in Swift with If Statements and Boolean Operators

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To be able to do anything interesting, a Swift program needs to take decisions based on whether some condition is true or not. This is done through conditionals.

Swift has several conditionals. The most common one is the if statement, which we will cover in this article.

Hello, World! Your First Swift Program

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Learning how to program is not an easy task. But it is straightforward to get started with it by following a very simple Swift tutorial.

The very first program everyone writes is called Hello World. It teaches you the basics of creating and running a program in any language.