hello_world.md

Hello, World! — Your First AK CODE Program

Welcome to AK CODE! In this tutorial, you'll write and run your first program.

What You'll Learn

• How to write a simple AK CODE program
• How to compile it with the AK CODE compiler
• How to run the compiled binary

Step 1: Write the Program

Create a file called hello.ak:

# My first AK CODE program
## This program says hello to the world

let name = "World"
show "Hello" name

let age = 30
show "You are" age "years old"

let score = 95.5
show "Your score is" score

Step 2: Compile

If you've built the bootstrap compiler:

./build/akc hello.ak -o hello

Or if using the self-hosted compiler:

akc hello.ak -o hello

Step 3: Run

Linux:

./hello

Windows:

hello.exe

Expected Output

Hello World
You are 30 years old
Your score is 95.5

Understanding the Code

• # starts a comment — it's ignored by the compiler
• ## is a documentation comment
• let name = "World" creates a variable called name with the value "World"
• show "Hello" name prints "Hello" followed by the value of name
• Numbers like 30 and 95.5 don't need quotes
• Multiple values in show are printed with spaces between them

Next Steps

• Try changing the values and see what happens
• Add a second show statement
• Try the Web App Tutorial to build a web server