Beginner

Hello World in Dylan

Every programming journey starts with Hello World. Let’s write our first Dylan program and experience this unique language that combines dynamic flexibility with efficient compilation.

The Code …

Hello World in Perl

Perl has been printing “Hello, World!” since 1987. As a language designed for practical text manipulation, outputting text is as simple as it gets.

The Code

Create a file named hello.pl: …

Hello World in Tcl

Every programming journey starts with Hello World. Tcl makes this remarkably simple—reflecting its design philosophy that scripting should be easy and intuitive.

The Code

Create a file named hello.tcl …

Hello World in REXX

Every programming journey starts with Hello World. REXX makes this incredibly simple—the language was designed from day one to be readable and intuitive.

The Code

Create a file named hello.rexx:

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Hello World in Icon

Every programming journey starts with Hello World. Let’s write our first Icon program and get a glimpse of this unique language with its goal-directed evaluation.

The Code

Create a file named …

Hello World in Prolog

Every programming journey starts with Hello World. Let’s write our first Prolog program and get our first taste of logic programming.

The Code

Create a file named hello.pl:

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:- write( …

Hello World in Smalltalk

Every programming journey starts with Hello World. Let’s write our first Smalltalk program and experience the language that defined object-oriented programming.

The Code

Create a file named …

Hello World in Scheme

Every programming journey starts with Hello World. Let’s write our first Scheme program and experience one of the most elegant and influential programming languages ever created.

The Code

Create …

Hello World in Common Lisp

Every programming journey starts with Hello World. Let’s write our first Common Lisp program and experience one of the most powerful and enduring programming languages ever created.

The Code …

Hello World in Forth

Every programming journey starts with Hello World. Forth’s version is elegantly simple.

The Code

Create a file named hello.fth:

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." Hello, World!" CR
bye

Understanding the Code …

Hello World in ALGOL 68

Introduction

Welcome to ALGOL 68! This tutorial will guide you through writing and running your first ALGOL 68 program. ALGOL 68, designed in the late 1960s, was one of the most influential …

Hello World in PL/I

Every programming journey starts with Hello World. Let’s write our first PL/I program using the Iron Spring PL/I compiler - a modern, free compiler that brings this classic mainframe language to …

Hello World in Modula-2

Every programming journey starts with Hello World. Let’s write our first Modula-2 program using the GNU Modula-2 compiler (gm2), which is now part of GCC.

The Code

Create a file named hello.mod: …

Hello World in Ada

Every programming journey starts with Hello World. Let’s write our first Ada program using the GNAT compiler (GNU Ada).

The Code

Create a file named hello.adb:

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with Ada.Text_IO; …

Hello World in COBOL

Every programming journey starts with Hello World. Let’s write our first COBOL program using modern free-format syntax with GnuCOBOL.

The Code

Create a file named hello.cob:

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Hello World in Groovy

Introduction

Welcome to your first Groovy program! In this tutorial, we’ll create the classic “Hello, World!” example using Groovy, a powerful dynamic language for the Java Virtual …

Hello World in F#

Every programming journey starts with Hello World. Let’s write our first F# program and see how clean and expressive functional programming can be.

The Code

Create a file named hello.fsx:

1 …

Hello World in Clojure

Every programming journey starts with Hello World. Let’s write our first Clojure program and discover the elegance of this modern Lisp.

The Code

Create a file named hello.clj:

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(println …

Hello World in Lua

Lua is designed to be simple, and Hello World demonstrates this beautifully. In Lua, printing to the console is just one line—no imports, no classes, no boilerplate.

The Code

Create a file named …

Hello World in Scala

Every programming journey starts with Hello World. Let’s write our first Scala program and explore the elegance of this JVM language.

The Code

Create a file named HelloWorld.scala:

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Hello World in R

R is a powerful language for statistical computing and graphics. Let’s start with the traditional “Hello, World!” program to verify your R environment is working correctly.

The …

Hello World in C++

Every C++ journey begins with Hello World. While similar to C’s version, the C++ implementation showcases the language’s more expressive syntax through the iostream library and namespaces. …

Hello World in C

Every programming journey starts with Hello World. This example is particularly special in C - it’s the original Hello World, first appearing in the 1978 K&R book “The C Programming …

Hello World in PHP

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

The Code

Create a file named hello.php:

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<?php
echo "Hello, World!\n";

Understanding the …

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 Zig

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

The Code

Create a file named hello.zig:

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const std = @import("std");

pub fn main() ! …

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 …

Hello World in Elixir

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

The Code

Create a file named hello.exs:

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IO.puts("Hello, World!")

That’s it! One …

Hello World in J

Every programming journey starts with Hello World. In J, this is remarkably concise—just a string expression that outputs to the screen.

The Code

Create a file named hello.ijs:

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'Hello, …

Hello World in Julia

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

The Code

Create a file named hello.jl:

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println("Hello, World!")

Simple and clean—one line …

Hello World in Fortran

Every programming journey starts with Hello World. Let’s write our first Fortran program using modern free-form syntax.

The Code

Create a file named hello.f90:

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program hello …

Hello World in Go

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

The Code

Create a file named hello.go:

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package main

import "fmt"

func main() { …

Hello World in Kotlin

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

The Code

Create a file named Hello.kt:

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fun main() {
    println("Hello, World!")
} …

Hello World in Pascal

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

The Code

Create a file named hello.pas:

program Hello;

begin
    WriteLn('Hello, World!');
end. …

Hello World in Rust

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

The Code

Create a file named hello.rs:

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fn main() {
    println!("Hello, World!");
} …

Hello World in TypeScript

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

The Code

Create a file named hello.ts:

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console.log("Hello, World!");

Yes, it’s …

Hello World in BASIC

BASIC was designed to be beginner-friendly, and it shows. Let’s write Hello World.

The Code

Create a file named hello.bas:

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PRINT "Hello, World!"

That’s it. One line. …

Hello World in Java

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

The Code

Create a file named HelloWorld.java:

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public class HelloWorld {
    public static …

Hello World in ALGOL 60

Introduction

Welcome to ALGOL 60! This tutorial will guide you through writing and running your first ALGOL 60 program. ALGOL 60, designed in 1960, is one of the most influential programming languages …

Hello World in Standard ML

Every programming journey starts with Hello World. Let’s write our first Standard ML program and explore what makes this influential functional language special.

The Code

Create a file named …

Hello World in ABAP

Every programming journey starts with Hello World. While ABAP traditionally requires SAP system access, the open-abap project lets us run ABAP code on Node.js by transpiling it to JavaScript.

The Code …

Hello World in Erlang

Every programming journey starts with Hello World. Let’s write our first Erlang program and explore what makes this concurrent functional language tick.

The Code

Create a file named hello.erl: …

Hello World in OCaml

Every programming journey starts with Hello World. Let’s write our first OCaml program and explore what makes this functional language special.

The Code

Create a file named hello.ml:

1 …

Hello World in Haskell

Every programming journey starts with Hello World. Let’s write our first Haskell program using GHC (Glasgow Haskell Compiler), the standard Haskell implementation.

The Code

Create a file named …

Hello World in Eiffel

Every programming journey starts with Hello World. Let’s write our first Eiffel program using EiffelStudio, the primary Eiffel development environment.

The Code

Create a file named hello.e: …

Hello World in Delphi

Every programming journey starts with Hello World. Let’s write our first Delphi program using Free Pascal’s Delphi compatibility mode.

The Code

Create a file named hello.dpr:

program …

Hello World in Ruby

Every programming journey starts with Hello World. Ruby makes this delightfully simple—it’s just one line that reads almost like English.

The Code

Create a file named hello.rb:

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puts …