Delivery Methods : addDelivery(), editDelivery(), deleteDelivery(), updateDelivery(), saveDelivery(), searchDelivery()įirst Level Data flow Diagram(1st Level DFD) of Online Shopping System :įirst Level DFD (1st Level) of Online Shopping System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Online Shopping System system as a whole.Product Methods : addProduct(), editProduct(), deleteProduct(), updateProduct(), saveProduct(), searchProduct().Payment Methods : addPayment(), editPayment(), deletePayment(), updatePayment(), savePayment(), searchPayment().Order Methods : addOrder(), editOrder(), deleteOrder(), updateOrder(), saveOrder(), searchOrder().Shopping Cart Methods : addShopping Cart(), editShopping Cart(), deleteShopping Cart(), updateShopping Cart(), saveShopping Cart(), searchShopping Cart().Shopping Methods : addShopping(), editShopping(), deleteShopping(), updateShopping(), saveShopping(), searchShopping().Delivery Attributes : delivery_id, delivery_customer_id, delivery_address, delivery_type, delivery_by, delivery_date, delivery_descriptionĬlasses and their methods of Shopping System Class Diagram:. ![]()
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