public function __construct()
{
$sub = new ConcreteSubject();
$ob1 = new ConcreteObserverPhone();
$ob2 = new ConcreteObserverTablet();
$ob3 = new ConcreteObserverDT();
$sub->attachObser($ob1);
$sub->attachObser($ob2);
$sub->attachObser($ob3);
$sub->setState("decoCar");
}
