public class Appledevice
    {
        public Appledevice createDevice(String type, String color)
        {

            AplleDevice device = null;

            if (type.Equals("Iphone"))
            {
                if (color.Equals("White"))
                {
                    device = new WhiteIphone();
                }

                if (color.Equals("Golden"))
                {
                    device = new GoldenIphone();
                }
            }

            else if (type.Equals("Ipad"))

            {
                if (color.Equals("White"))
                {
                    device = new WhiteIpad();
                }

                if (color.Equals("Golden"))
                {
                    device = new GoldenIpad();
                }
            }


            device.verifyPrice();
            device.calculateDeliveryPrice();
        }
    }