interface Printer
{
   void print ( Message message );
}
 
class Message
{
   private String message;
 
   public Message ( String message )
   {
      this.message = message;
   }
 
   public void print ( Printer printer )
   {
      printer.print ( this );
   }
 
   public String toString()
   {
      return message;
   }
}
 
abstract class AbstractPrinterFactory
{
   public static AbstractPrinterFactory getFactory()
   {
      return new SystemOutPrinterFactory();
   }
 
   public abstract Printer getPrinter();
}
 
class SystemOutPrinterFactory extends AbstractPrinterFactory
{
   public Printer getPrinter()
   {
      return new SystemOutPrinter();
   }
}
 
class SystemOutPrinter implements Printer
{
   public void print ( Message message )
   {
      System.out.println ( message );
   }
}
 
class HelloWorld
{
   public static void main ( String[] args )
   {
      Message message = new Message ( "Hello, World!" );
      AbstractPrinterFactory factory = AbstractPrinterFactory.getFactory();
      Printer printer = factory.getPrinter();
      message.print ( printer );
   }
}

#include <iostream>
using namespace std;
 
int main()
{
   cout << "Hello, World!" << endl;
   return 0; // it's very important, because you win, when ALL is Nothing ; }
}

public class HelloWorld
{
  public class Program
  {
    public class start implements Program
    {
      public class init excludes mouse
      {
        public class HelloWorld implements init
        {
          public int main()
          {
             System.Java.Out.Output.Console.Write.Line.Text.White.BlackBackground.Last.Lineofcode.this.time.will.really.finish("Hello, world!");
          }
        }
      }
    }
  }
}