Beginner

Hello World in C#

Every programming journey starts with Hello World. Let’s write our first C# program.

The Code

Create a file named Program.cs:

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Console.WriteLine("Hello, World!");

Yes, …

Hello World in JavaScript

Every programming journey starts with Hello World. JavaScript makes this remarkably simple - just one line using the console.log() function.

The Code

Create a file named hello.js:

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console.log( …

Hello World in Python

Every programming journey starts with Hello World. Python makes this incredibly simple—it’s just one line.

The Code

Create a file named hello.py:

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print("Hello, World!") …

Hello World in Nim

Every programming journey starts with Hello World. Let’s write our first Nim program.

The Code

Create a file named hello.nim:

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echo "Hello, World!"

That’s it! If you know …

Hello World in Crystal

Every programming journey starts with Hello World. Let’s write our first Crystal program.

The Code

Create a file named hello.cr:

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puts "Hello, World!"

That’s it! If you know …

Hello World in Swift

Every programming journey starts with Hello World. Let’s write our first Swift program.

The Code

Create a file named hello.swift:

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print("Hello, World!")

That’s it! …

Hello World in Dart

Every programming journey starts with Hello World. Let’s write our first Dart program.

The Code

Create a file named hello.dart:

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void main() {
  print('Hello, World!');
} …

Hello World in APL

Every programming journey starts with Hello World. In APL, this is remarkably simple - in fact, it’s one of the easiest Hello World programs you’ll ever write.

The Code

Create a file named …