Create class diagrams that describe the classes
Software Engineering
Create class diagrams that describe the classes and relationships depicted in
the following scenarios:
• Researchers are placed into a database that is maintained by the state of
Georgia. Information of interest includes researcher name, title, position,
date began current position, number of years at current position; university
name, location, enrollment; and research interests. Researchers are associated
with one institution, and each researcher can have up to five research
interests. More than one researcher can have the same interest, and the system
tracks the ranking of the best researchers for each interest. The system
should be able to insert new researchers, universities, and research
interests; produce information, such as the number of researchers at each
university, contact information for the researchers, and research interests
that do not have associated researchers; and change researcher rankings for
the various research interests.
• A department store has a bridal registry. This registry keeps information
about the bride, the products that the store carries, and the products for
which each customer registers. Some products include several related items;
for example, dish sets include plates, specialty dishes, and serving bowls.
Customers typically register for a large number of products, and many
customers register for the same products. Draw the class diagram and give at
least two examples of query and update operations that could be placed
somewhere on the model.
• Jim Smith’s dealership sells Fords, Hondas, and Toyotas. The dealership
keeps information about each car manufacturer with whom employees deal so that
they can get in touch with manufacturers easily. The dealership also keeps
basic information about the models of cars that it carries from each
manufacturer. The dealership keeps such information as list price, the price
the dealership paid to obtain the model, and the model name and series (e.g.,
Honda Civic LX). It also keeps information about all sales that employees have
made. (For instance, the dealership
