Category: Swift

Swift Tutorial – Like a Real Teacher Would Explain It (2026 style) Lesson 1 – Getting Started – Where do I even write code? Three realistic choices right now: Option Do you need a...

What is Swift? (Why Learn It in 2025?) Swift is Apple’s modern programming language, first released in 2014. It replaced the older Objective-C for building apps on iPhone, iPad, Mac, Apple Watch, Apple TV,...

Swift – Get Started (Very Detailed Beginner Lesson) 0. Where should I write and run Swift code today? You have these realistic choices right now (2025–2026): Method Needs Mac? First line in… Best for...

Swift Syntax — written as if I’m sitting next to you, explaining slowly, with many small examples, comparisons to other languages you might know (C/C++/Python), common traps, and why Swift does things a certain...

1. What is a “statement” in Swift? A statement is any complete instruction that Swift can execute. It usually ends with a semicolon ; — but in Swift you almost never need to write...

Swift Output – How to Show Things to the User 1. The most important output function: print() This is the #1 way you will output things when learning Swift or writing command-line tools, playgrounds,...

print text in Swift (showing text on the screen / in the console). I will explain it slowly, step by step, like we’re sitting together and I’m showing you on my laptop — with...

print numbers nicely in Swift. We’ll go slowly, with many small examples you can copy-paste and run right away (in Playgrounds, Xcode, or an online Swift playground). 1. The basic (but often ugly) way...

1. Why do we write comments at all? Comments are notes for humans — the compiler completely ignores them. Main reasons people write comments: Explain why something is done (not just what) Document public...

1. What is a variable in Swift? (the big picture) A variable is a named storage location in memory that holds a value. In Swift you have two kinds of these storage locations: Keyword...