What is Swift?
Introduction
What is Swift? is a free Swift Academy lesson on CoddyKit — lesson 1 of 3. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the Swift Academy learning path, one of 3 lessons in the course, and your progress syncs across the web and the CoddyKit app.
Welcome to Swift
Hi there! Swift is Apple's modern programming language. By the end of this tiny lesson, you'll know exactly what it is. 👋
Built for beginners like you
This is the most beginner-friendly, micro-sized track we have. Short steps, no walls of text. You'll move fast.
Meet Your AI Mentor 🤖
See the purple ✨ AI Mentor button at the bottom of every lesson? That is your personal tutor — free to try, available 24/7 on mobile and web.
Tap it whenever you are stuck and choose what you need:
- 💡 Explain Simply — turn anything confusing into plain words
- 📋 Step by Step — break a problem into clear steps
- 🗣️ Everyday Example — connect it to real life
There is also Mini Quiz, Code Example and Ask — ask it absolutely anything. You are never learning alone. 💜
Learn in Your Own Language 🌍
Prefer to learn in your native language? You can!
Tap the 🌐 translate button at the top-right of the lesson (it is in the top bar on the web too) and pick your language. Every lesson instantly appears in your own language.
Switch back any time — learn the way that feels easiest for you. 🙌
What is a language?
A programming language is how you give instructions to a computer. Think of it as a clear way to say "do this, then that."
Where Swift came from
Apple created Swift in 2014 to make app-building easier and safer. It quickly became a favorite for new and pro developers alike.
Easy to read
Swift reads almost like plain English. That means you can often guess what code does just by looking at it. 😊
Your first taste
Here's a real line of Swift. It just prints a message to the screen. See? Friendly and clear.
print("Hello, Swift!")Safe by design
Swift catches common mistakes before they cause crashes. It's like a helpful friend checking your work as you go.
You're already started
That's it for the basics! You now know what Swift is and why it's beginner-friendly. Next up: why developers love it. 🚀
Quick Check
Let's lock it in. Who created Swift?
Frequently asked questions
Is the “What is Swift?” lesson free?
Yes — the full text of “What is Swift?” is free to read here on the web, and the Swift Academy course includes 3 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the Swift Academy course, upgrade to CoddyKit PRO.
What will I learn in “What is Swift?”?
Introduction You practise Swift Academy with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start Swift Academy?
No prior experience is required. Swift Academy on CoddyKit is structured for beginners through advanced learners; this is — lesson 1 of 3, so you can start here or from the beginning and move at your own pace.
How long does the “What is Swift?” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this Swift Academy lesson?
Yes. Every Swift Academy lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- What is Swift?
- Why Developers Love Swift
- What You Can Build with Swift