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echo "Hello World"

#include 

int main(void)
{
    puts("Hello, world!");
}

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

using System;
class Program
{
    public static void Main(string[] args)
    {
        Console.WriteLine("Hello, world!");
    }
}

console.log 'Hello, world!'

<p>Hello World!</p>

import javax.swing.JFrame;  //Importing class JFrame
import javax.swing.JLabel;  //Importing class JLabel
public class HelloWorld {
    public static void main(String[] args) {
        JFrame frame = new JFrame();           //Creating frame
        frame.setTitle("Hi!");                 //Setting title frame
        frame.add(new JLabel("Hello, world!"));//Adding text to frame
        frame.pack();                          //Setting size to smallest
        frame.setLocationRelativeTo(null);     //Centering frame
        frame.setVisible(true);                //Showing frame
    }
}

document.write('Hello, world!');

$("body").append("Hello world!");

disp('Hello, world!')

program HelloWorld;
begin
  WriteLn('Hello, world!');
end.

print "Hello, world!";

null

print "Hello, world!"

cat('Hello, world!')

puts "Hello, world!"

println("Hello, world!")

MsgBox "Hello, World!"

Module Module1
    Sub Main()
        Console.WriteLine("Hello, world!")
    End Sub
End Module