How To Say “Hello World” In 23 Programming Languages

In the world of programming, “Hello World” is often the first program developers write when they start learning a new language. This simple program outputs the phrase “Hello, World!” to the screen, and while it may seem like a trivial exercise, it serves as a great starting point for anyone learning a new programming language. But with so many programming languages out there, have you ever wondered what “Hello World” looks like in all of them?

In this article, we’ll explore the top 23 programming languages and take a look at how to write a “Hello World” program in each one. Whether you’re an experienced developer or just starting out, this article will provide an interesting glimpse into the similarities and differences between some of the most popular programming languages used today.

01. Python

print('Hello, world!')

02. C

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

03 C++

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

04. Java

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

05. C#

namespace HelloWorld
{
  class Hello {         
    static void Main(string[] args)
    {
      System.Console.WriteLine("Hello World!");
    }
  }
}

06. Visual Basic

Imports System

Module Module1
  Sub Main()
    Console.WriteLine("Hello World!")
    Console.WriteLine("Press Enter Key to Exit.")
    Console.ReadLine()
  End Sub
End Module

07. JavaScript

console.log('Hello World');

08. SQL

CREATE TABLE helloworld (phrase TEXT);
INSERT INTO helloworld VALUES ("Hello, World!");
SELECT * FROM helloworld;

09. Assembly Language

global    _start
 
          section   .text
_start:   mov       rax, 1                  ; system call for write
          mov       rdi, 1                  ; file handle 1 is stdout
          mov       rsi, message            ; address of string to output
          mov       rdx, 13                 ; number of bytes
          syscall                           ; invoke operating system to do the write
          mov       rax, 60                 ; system call for exit
          xor       rdi, rdi                ; exit code 0
          syscall                           ; invoke operating system to exit
 
          section   .data
message:  db        "Hello, World", 10      ; note the newline at the end

10. PHP

<!DOCTYPE html>
<html>
<body>
 
<h1>My first PHP page</h1>
 
<?php
echo "Hello World!";
?>
 
</body>
</html>

11. Swift

print("Hello, world!")

12. Go

package main
 
import "fmt"
 
func main() {
    fmt.Println("hello world")
}

13. R

print("Hello World!")

14. Classic Visual Basic

Imports System
 
Module Module1
  Sub Main()
    Console.WriteLine("Hello World!")
    Console.WriteLine("Press Enter Key to Exit.")
    Console.ReadLine()
  End Sub
End Module

15. MATLAB

function y = hello_world 
%#codegen
y = 'Hello World!';

16. Ruby

puts "Hello World"

17. Rust

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

18. Scala

@main def hello() = println("Hello, World!")

19. Perl

#!/usr/bin/perl
use warnings;
print("Hello, World!\n");

20. Scratch

say Hello World!

21. (Visual) FoxPro

Messagebox("Hello World!",64)
? "Hello World"

22. SAS

proc ds2 libs=work;
data _null_;
 
  /* init() - system method */
  method init();
    declare varchar(16) message; /* method (local) scope */
    message = 'Hello World!';
    put message;
  end;
enddata;
run;
quit;

23. Objective-C

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    NSLog (@"Hello, World!");
    [pool drain];
    return YES;
 
}

Source: Cyberpogo