Your First Look at C# Code
Write and run your first "Hello, World!" program in C#.
Your First Look at C# Code is a free C# Academy lesson on CoddyKit — lesson 3 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 C# Academy learning path, one of 3 lessons in the course, and your progress syncs across the web and the CoddyKit app.
Don't worry, it's gentle
Time to actually see C# code. No memorizing needed, just relax and follow along. You've got this. 😌
The classic first line
Every coder's first step is making the computer say hello. Here's how C# does it.
Console.WriteLine("Hello, world!");Let's decode it
WriteLine just means "print a line of text". The words in quotes are the message shown on screen.
Quotes mark the text
Anything inside the "double quotes" is text the computer should display exactly as written.
The semicolon ;
That little ; at the end is like a period. It tells C# "this instruction is done". Simple as that.
Try changing it
You could swap the message for anything. Want to greet yourself? Just change the text in the quotes.
Console.WriteLine("Hi, I'm learning C#!");Code is just instructions
See? Each line is one clear command. Stack a few together and you've written a program. 🧩
Mistakes are normal
Forget a quote or a ;? No big deal. Every coder does it. C# kindly points out what to fix.
You read real code!
That was genuine C#, and you understood it. A few minutes ago this looked like a mystery. 🌟
Look how far you came 🎉
You know what C#, where it's used, and how a line of code works. Amazing start, keep going!
Quick Check
Last check! In C#, what does Console.WriteLine do?
Frequently asked questions
Is the “Your First Look at C# Code” lesson free?
Yes — the full text of “Your First Look at C# Code” is free to read here on the web, and the C# 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 C# Academy course, upgrade to CoddyKit PRO.
What will I learn in “Your First Look at C# Code”?
Write and run your first "Hello, World!" program in C#. You practise C# 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 C# Academy?
No prior experience is required. C# Academy on CoddyKit is structured for beginners through advanced learners; this is — lesson 3 of 3, so you can start here or from the beginning and move at your own pace.
How long does the “Your First Look at C# Code” 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 C# Academy lesson?
Yes. Every C# 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 C#?
- Where C# Is Used
- Your First Look at C# Code