How to write "Hello World" in Different Programming Languages?

C:

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

Java:

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

Javascript:

document.writeln('hello world');

BASIC:

10 PRINT "Hello world"

Python:

import sys
sys.stdout.write("hello world")

R:
cat ("Hello world")

C#:

class MainClass
{
public static void Main()
{
System.Console.writeLine("hello world");
}
}

Visual Basic:

Imports System
Module Modul1
Sub Main()
Console.WriteLine("Hello world")
End Sub
End Module

PHP:

<? echo "Hello world"?>

Ruby:
puts 'Hello world'