<?php
include_once "u_oop_punkt.inc.php";

class Linie
{
   function __construct(
      private $beginn = null, private $ende = null)
   {
	  $this->beginn = $beginn ?? new Punkt();
	  $this->ende   = $ende ?? new Punkt();
   }

   function verschieben($dx, $dy)
   {
      $this->beginn->verschieben($dx, $dy);
      $this->ende->verschieben($dx, $dy);
   }

   function __toString()
   {
      return $this->beginn . " / " . $this->ende;
   }
}
?>