"Hello World" in 10 Languages

Hello World 👋🌍

Let's go through the "Hello World" syntax in 10 languages 🐱‍💻.

Feel free to comment ✍️ your first 🥇 "Hello World" language.

1. Java

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

2. C

#include<stdio.h>
int main(){
printf("Hello World");
return 0;
}

3. C++

#include<iostream>
int main (){
  std::cout << "Hello World";
  return 0;
}

4. C#

public class Hello{
  public static void Main(String[] args){
    System.Console.WriteLine("Hello World");
  }
}

5. Python

print("Hello World")

6. JS

console.log("Hello World");

alert("Hello World");

document.write("Hello World");

7. GO

package main
import "fmt"

func main(){
    fmt.Println("Hello World")
}

8. Kotlin

func main(){
    println("Hello World")
}

9. PHP

<?php
echo "Hello World";
?>

10. Swift

import Swift
print("Hello World")

Comments

[Gabor Szabo]

Rust

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

[Alex Lohr]

x86 asm (DOS .com executable)

org 0x100
mov dx, msg
mov ah, 9
int 0x21
int 0x20
msg db 'Hello World!', 0x0d, 0x0a, '$'

x86 asm (Linux compatible)

; to build an ELF executable:
; nasm -f elf hello.asm && ld -s -o hello hello.o
section .text
  global _start
section .data
  msg db 'Hello World!, 0xa
  len equ $ - msg
section .text
_start:
mov edx, len
mov ecx, msg
mov ebx, 1
mov eax, 4
int 0x80
mov ebx, 0
mov eax, 1
int 0x80

AWK

BEGIN {
  print "Hello World!"
}

and last, not least:

CSS

document.body:before { content: "Hello, World!"; }

[Gabor Szabo]

Bash

echo Hello World

[Thomas Bnt ☕]

Hello ! Cool post to learn a little more about syntax of others languages with an example! 👍🏼

Don't hesitate to put colors on your codeblock like this example for have to have a better understanding of your code 😎

console.log('Hello world!');

[Oleksandr]

Brainfuck:

++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.

en.wikipedia.org/wiki/Brainfuck

[Sherry Day]

ChatGPT

Hello, my name is world.

[Lum1naT]

This reply makes me happy while making my blood boil.

[Ben Halpern]

Ruby

puts "Hello world!"

[Christian Himpe]

Scheme

(display "Hello World!")

[artydev]

Nice presentation :-)
You could be interested by Rosetta Code

Regards

[Gabor Szabo]

Groovy:

println "Hello World"

[Aung Myat Moe]

Php

echo "Hello world!"

Lua

print "Hello Lua!"

[Gabor Szabo]

Perl:

print "Hello World\n";

or

use feature 'say';
say "Hello World";

[Dragan]

Nice.
Here is one you probably don't know yet (since it comes from a language I created and nobody knows):
youtube.com/watch?v=ZnLQs6a5uy0

[Murphylee1408]

<?php
$greeting = "Hello World";
echo $greeting;
?>