PROBLEMS

$1.$ Create a series of CRC cards for World's Trend Catalog Division. Once an order is placed, the order fulfillment crew takes over and checks for availability, fills the order, and calculates the total amount of the order. Use five CRC cards, one for each of the following classes: order, order fulfillment. inventory, product, and customer. Complete the section on classes, responsibilities, and collaborators.

$2.$ Finish the CRC cards in Problem $1$ by creating Object Think statements and property names for each of the five classes.

$3.$ Draw a use case diagram for World's Trend Catalog Division.

$4.$ Draw four pictures showing examples of four types of behavioral relationships for Joel Porter's BMW automobile dealership. What type of relationship is involved when a customer must arrange financing? Are there common activities involved when a person either leases or buys an automobile? What type of relationship is between an employee that is a manager or one that is a salesperson?

$5.$ Draw a communication diagram for a student taking a course from a teacher, who is part of the faculty.

$6.$ Coleman County has a phone exchange that handles calls between callers and those receiving the call. Given these three actors, draw a simple sequence diagram for making a simple phone call.

$7.$ You are ready to begin UML modeling for the Kirt Clinic. Draw a class diagram that includes a physician, a patient, an appointment, and a patient's bill. Do not get the insurance company involved.

$8.$ Use UML to draw examples of the four structural relationships for the Kirt Clinic.