Hello World Examples in 12 Popular Programming Languages

As a programmer, the first program you usually write is the classic "Hello World". This article presents the proper "Hello World" implementation for twelve popular programming languages, based on rankings from GitHub and Tiobe, and includes the source code for each example.

1. Java

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

2. C

#include<stdio.h>

int main(void) {
    printf("Hello, world!");
    return 0;
}

3. Python

print('Hello World')

4. C++

#include <iostream>
using namespace std;

int main() {
    cout << "\nHello World" << endl;
    return 0;
}

5. C#

using System;

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

6. Visual Basic .NET

Module HelloWorld
   Sub Main()
      System.Console.WriteLine("Hello world!")
   End Sub
End Module

7. JavaScript

console.log("Hello World");

8. PHP

<?php
// In PHP, we use echo to print text
echo "Hello World";
// If you want to print in browser's console, we use print_r
print_r("Hello World");
// To also show variable data types, use var_dump
$stringVar = 'hello world';
var_dump($stringVar);
?>

9. Objective‑C

#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSLog(@"Hello World!");
    }
    return 0;
}

10. SQL

SELECT 'Hello World';
PRINT 'Hello World';

11. Ruby

puts 'Hello World'

12. MATLAB

fprintf(1, 'Hello, world!');
quit

All example code is taken from the open‑source repository https://github.com/blackbird71SR/Hello-World . Readers are encouraged to contribute additional languages to the collection.