#include <stdio.h>

main()
{
  printf("Hello world");
  return 0;
}

#include <stdio.h>

int main()
{
    printf("Hello World");

    return 0;
}

// Your First C++ Program

#include <iostream>

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

// Your First C++ Program

#include <iostream>

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

main = 
    putStrLn "Hello, World!"

main = putStrLn "hello world"

print("Hello World")

print("hello world")

<?php
    echo "Hello World"
?>

<?php

echo "Hello World";

?>

#Hello World
%c=qw(> $p++ < $p-- + D=(D+1)%256 - D=(D-1)%256 [ while(D){ ] } . print+chrD , D=ord(getc));
$/=$,;$_='++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.';s/./$c{$&};/g;s[D]'$b[$p]'g;eval

print "hello world!";

print("hello world")

print("hello, world")

puts "Hello World"

puts "hello World"

(display "Hello, world!")

(display "Hello, World!")