Intro👋🏾

"Hello world!" is the first thing you know how to write when jumping on a new programming language. In this article, we are going to see how to say Hello World in some programming languages existing out there.

1. Pascal

{Hello world in Pascal}

program HelloWorld(output);
begin
  WriteLn('Hello World!');
end.

2. C

#include <stdio.h>
#include <stdlib.h>

int main(void){
  printf("Hello World");
}

3. Php

<?php
  echo "Hello world!";
?>

4. Python

print("Hello world!")

5. Scala

// Hello world in Scala

object HelloWorld extends App {
  println("Hello world!")
}

6. Java

// Hello World in Java

class HelloWorld {
  static public void main( String args[] ) {
    System.out.println( "Hello World!" );
  }
}

7. JavaScript

console.log("Hello World");

8. Rust

// Hello world in Rust

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

9. Haskell

-- Hello World in Haskell

main = putStrLn "Hello World"

10. Ruby

# Hello World in Ruby
puts "Hello World!"

11. Go

// Hello world in Go

package main
import "fmt"
func main() {
 fmt.Printf("Hello World\n")
}

12. R

# Hello World in R
cat("Hello world\n")

13. Swift

// Hello world in Swift

println("Hello, world!")

14. Unix shell

# Hello world for the Unix shells (sh, ksh, csh, zsh, bash, fish, xonsh, ...)

echo Hello World

15. Dart

// Hello world in Dart

main() {
   print('Hello world!');
}

16. Perl

# Hello world in perl

print "Hello World!\n";

17. C#

//Hello World in C#
class HelloWorld
{
    static void Main()
    {
        System.Console.WriteLine("Hello, World!");
    }
}

18. F#

(* Hello World in F# *)

printf "Hello World!\n"

I hope you've seen the way we can say Hello World in different ways. ✨

Say Hello world! in 18 languages.

#programming

Intro👋🏾