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Rakesh KR
Rakesh KR

Posted on

"Hello World" in 10 Languages

#programming #beginners #tutorial #opensource

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");
    }
}
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2. C

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

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

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

print("Hello World")
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6. JS

console.log("Hello World");

alert("Hello World");

document.write("Hello World");
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7. GO

package main
import "fmt"

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

func main(){
    println("Hello World")
}
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9. PHP

<?php
echo "Hello World";
?>
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10. Swift

import Swift
print("Hello World")
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Top comments (15)

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szabgab profile image
Gabor Szabo •

Rust

fn main() {
    println!("Hello World")
}
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lexlohr profile image
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, '$'
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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
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AWK 

BEGIN {
  print "Hello World!"
}
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and last, not least:

CSS 

document.body:before { content: "Hello, World!"; }
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szabgab profile image
Gabor Szabo •

Bash

echo Hello World
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thomasbnt profile image
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!');
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Example of how to add colors and syntax in codeblocks

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alexkapustin profile image
Oleksandr •

Brainfuck:

++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.
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en.wikipedia.org/wiki/Brainfuck

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sherrydays profile image
Sherry Day •

ChatGPT

Hello, my name is world.
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lum1nat profile image
Lum1naT •

This reply makes me happy while making my blood boil.

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ben profile image
Ben Halpern •

Ruby

puts "Hello world!"
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gramian profile image
Christian Himpe •

Scheme

(display "Hello World!")
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artydev profile image
artydev •

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

Regards

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szabgab profile image
Gabor Szabo •

Groovy:

println "Hello World"
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View full discussion (15 comments)

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