pemrograman OOP - Menyatukan semuanya (II)

class Kucing {
  public $lucu = true;
  public $warna;

  public function __construct($warna) {
    $this->warna= $warna;
  }
  public function meong(){
    return "Meong...!!";
  }
  public function menyapa(){
    return "Hai, saya si $this->warna.";
  }
}
$putih = new kucing("putih");
$hitam = new kucing("hitam");
echo $hitam->menyapa();
echo $putih->meong();