Hello World! 570ff's Homepage

A collection of “Hello World” samples for various languages.

C

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

C++

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

Java

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

JavaScript

window.onload = function() {
  alert('Hello, world!');
}

Go

package main
import "fmt"
func main() { fmt.Printf("Hello \U0001f30d\n") }

Perl

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

PHP

<?php
  print 'Hello, world!'
?>

Python

#!/usr/bin/python
print("Hello, world!")

Ruby

#!/usr/bin/ruby
puts "Hello, world!"

Shell

#!/usr/bin/sh
echo Hello, world!