Problem 27
Give an example of a one-to-many relationship that is not mentioned in this chapter. Give an example of a many-to-many relationship that is not mentioned in this chapter.
Problem 30
Draw a class diagram representing the relationships between magazines, publishers of magazines, and subscribers to magazines. Include a set of instance variables and methods for each class.
Problem 33
In each of the following cases, identify whether the activity relates to a sequence diagram, a use case diagram, or a class diagram. a. Represents the way in which users will interact with the system b. Represents the relationship between classes in the system c. Represents the manner in which objects will interact to accomplish a task
Problem 35
Draw a sequence diagram indicating that object A calls the method bb() in object B, B performs the requested action and returns control to \(A\), and then A calls the method \(c c()\) in object B.
Problem 37
Draw a class diagram depicting the fact that the classes Truck and Automobile are generalizations of the class Vehicle.
Problem 39
Explain why inheritance is not always the best way to implement class generalizations.
Problem 40
What is the significance of using the interaction diagrams provided by UML?
Problem 41
Summarize the process of software quality assurance (SQA).
Problem 42
To what extent are the control structures in a typical high-level programming language (if-e1se, while, and so on) smallscale design patterns?
Problem 43
Which of the following involve the Pareto principle? Explain your answers. a. One obnoxious person can spoil the party for everyone. b. Each radio station concentrates on a particular format such as hard rock music, classical music, or talk. c. In an election, candidates are wise to focus their campaigns on the segment of the electorate that has voted in the past.
