“Hello, World!” program

A “Hello, World!” program is generally a computer program that ignores any input, and outputs or displays a message similar to “Hello, World!“. A small piece of code in most general-purpose programming languages, this program is used to illustrate a language’s basic syntax. “Hello, World!” programs are often the first a student learns to write in a given language, and they can also be used as a sanity check to ensure computer software intended to compile or run source code is correctly installed, and that its operator understands how to use it.
— Wikipedia

Languages which I have experience with (very different levels of experience).

Python

Python is programming language that lets you work quickly and integrate systems more effectively.

print("Hello, World!")

Go

Build simple, secure, scalable systems with Go.

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

Lua

Lua is a powerful, efficient, lightweight, embeddable scripting language.

print("Hello, World!")

JavaScript

JavaScript is core technology of the Web, alongside HTML and CSS.

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

C

C designed to be compiled to provide low-level access to memory and language constructs that map efficiently to machine instructions, all with minimal runtime support.

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

C++

C++ designed with systems programming and embedded, resource-constrained software and large systems in mind, with performance, efficiency, and flexibility of use as its design highlights.

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

Rust

Rust is a general-purpose programming language emphasizing performance, type safety, and concurrency.

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

Pascal

Pascal is small, efficient language intended to encourage good programming practices using structured programming and data structuring.

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

Java

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

GDScript

GDScript langugage is optimized for and tightly integrated with Godot allowing great flexibility for content creation and integration.

extends Node2D
 
func _ready():
    print("Hello World")

Perl

Perl borrows features from other programming languages including C, sh, AWK, and sed. It provides text processing facilities without the arbitrary data-length limits of many contemporary Unix command line tools.

#!/usr/bin/env perl
print "Hello World\n";

PHP

PHP is general-purpose scripting language that is especially suited to web development.

<?php
echo 'Hello World';

Ruby

Ruby is dynamic, programming language with a focus on simplicity and productivity.

puts "Hello, World!"

Z-Shell

The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a command interpreter for shell scripting.

echo "Hello, World!"

Nix

The Nix language is designed for conveniently creating and composing derivations – precise descriptions of how contents of existing files are used to derive new files. It is a domain-specific, purely functional, lazily evaluated, dynamically typed programming language.

# nix-instantiate --eval --expr '"Hello world"'
"Hello world"

x86 assembly language

Regarded as a programming language, assembly language is machine-specific and low-level. Like all assembly languages, x86 assembly uses mnemonics to represent fundamental CPU instructions, or machine code.

; This code can be compiled with the NASM assembler
; =================================================
;
; Define variables in the data section
SECTION .DATA
	hello:     db 'Hello world!',10
	helloLen:  equ $-hello
 
; Code goes in the text section
SECTION .TEXT
	GLOBAL _start
 
_start:
	mov eax,4            ; 'write' system call = 4
	mov ebx,1            ; file descriptor 1 = STDOUT
	mov ecx,hello        ; string to write
	mov edx,helloLen     ; length of string to write
	int 80h              ; call the kernel
 
	; Terminate program
	mov eax,1            ; 'exit' system call
	mov ebx,0            ; exit with error code 0
	int 80h              ; call the kernel

Inom Turdikulov