Online Shopping OOPS design

package onlineShoppingSystem;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class OnlineShoppingSystem {

    public enum AccountStatus {
        ACTIVE, BLOCKED, BANNED, COMPROMISED, UNKNOWN;
    }
    public enum OrderStatus {
        UNSHIPPED, PENDING, SHIPPED, COMPLETED, CANCELED, REFUND_APPLIED
    }
    public enum ShipmentStatus {
        PENDING, SHIPPED, DELIVERED, ON_HOLD,
    }

    public class Account {
        String        name;
        String        uName;
        String        password;
        String        email;
        String        mobile;
        AccountStatus status;

    }

    public class OrderLog {
        String      orderid;
        OrderStatus ostatus;
        Date        createdTime;
    }

    public class Order {
        String         orderNumner;
        Date           createdTime;
        List<OrderLog> logs;
        OrderStatus    staus;

        // public boolean sendForShipment();
        // public boolean makePayment(Payment payment);
        // public boolean addOrderLog(OrderLog orderLog);
    }

    public class ProductCategory {
        String name;
        String description;
    }
    public class Product {
        ProductCategory category;
        String          productId;
        String          name;
        String          description;
        double          price;
        int             availableCount;
        Account         supplier;

        public int getAvailableCount() {
            return availableCount;
        }

        public boolean updatePrice(double newPrice) {
            return true;
        }

    }
    public class ProductReview {
        String review;
        double ratign;
        // Member reviewer;
    }
    public class Shipment {
        private String shipmentNumber;
        private Date   shipmentDate;
        private Date   estimatedArrival;
        private String shipmentMethod;

        // public boolean addShipmentLog(ShipmentLog shipmentLog);
    }

    public class ShipmentLogs {
        String         shipmentNumber;
        ShipmentStatus status;
        Date           createdTime;
    }
    public abstract class Customer {
        ShoopingCart cart;
        Order        order;
        // public ShoppingCart getShoppingCart();
        // public bool addItemToCart(Item item);
        // public bool removeItemFromCart(Item item);

    }
    public class Guest extends Customer {

        // public registerAccounr();
    }

    public class Member extends Customer {

        Account account;
        // public OrderStatus placeOrder(Order order);
    }

    public class CartItem {
        int    productId;
        int    quanitiy;
        double price;

    }

    public class ShoopingCart {
        List<CartItem> itemList;
        // public boolean addItem(CartItem item){};
        // public boolean removeItem(CartItem item);
        // public boolean updateItemQuantity(CartItem item, int quantity);
        // public List<CartItem> getItems();
        // public boolean checkout();
    }

    public interface Search {
        public List<Product> searchProductsByName(String name);

        public List<Product> searchProductsByCategory(String category);
    }
    public class Catalogue implements Search {

        Map<String, List<Product>>     productNames;
        HashMap<String, List<Product>> productCategories;

        @Override
        public List<Product> searchProductsByName(String name) {
            return productNames.get(name);
        }

        @Override
        public List<Product> searchProductsByCategory(String category) {
            return productCategories.get(category);
        }

    }
}