Hello World

Your First Program

Create a file called hello.chuks:

println("Hello, World!")

Run it:

chuks run hello.chuks

Output:

Hello, World!

That’s it! Chuks programs run with or without a main() function or entry point class. Top-level statements execute sequentially, just like a scripting language.

A Bit More

Let’s try something with variables and a function:

greet.chuks

function greet(name: string): string {
    return `Hello,  ${name}!`;
}

const message = greet("Chuks")
println(message)

chuks run greet.chuks

Hello, Chuks!

Build a Binary

You can also compile to a native executable using chuks build command:

chuks build hello.chuks
./hello.chuks.bin

This produces a standalone binary you can distribute without requiring the Chuks runtime.

Next Steps

Ready to build something real? Create your first project.