It is intended to develop a software for an electronic product sales shop named ABC. A problem encountered in the software is: • There are electronic devices registered in the system and instant discounts are made for these products by the store. There are Dealers and Customers registered to the store. These dealers and customers follow the products they want. If the price of a product changes, it is required to notify the dealers and customers who follow the product. According to this: a) Write the name of the most appropriate Design Pattern. b) Draw the appropriate UML class diagram for the problem using the selected design pattern. Do not forget to define the methods to be used in the classes.
It is intended to develop a software for an electronic product sales shop named ABC. A problem encountered in the software is: • There are electronic devices registered in the system and instant discounts are made for these products by the store. There are Dealers and Customers registered to the store. These dealers and customers follow the products they want. If the price of a product changes, it is required to notify the dealers and customers who follow the product. According to this: a) Write the name of the most appropriate Design Pattern. b) Draw the appropriate UML class diagram for the problem using the selected design pattern. Do not forget to define the methods to be used in the classes.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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It is intended to develop a software for an electronic product sales shop named ABC. A problem encountered in the software is:
• There are electronic devices registered in the system and instant discounts are made for these products by the store. There are Dealers and Customers registered to the store. These dealers and customers follow the products they want. If the price of a product changes, it is required to notify the dealers and customers who follow the product. According to this:
a) Write the name of the most appropriate Design Pattern.
b) Draw the appropriate UML class diagram for the problem using the selected design pattern. Do not forget to define the methods to be used in the classes.
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