Signature _____________________ CSE 70 Name ________________________
Quiz 2
cs70f ____ Fall 2009 Student ID ____________________
This quiz is to be taken by yourself with closed books, closed notes, no electronic devices.
1) In a MVC architecture (Circle all that are true/correct)
A. The user only manipulates Controller(s)
B. The Model may change independent of the Controller(s) changing the Model
C. When the Model is changed, it notifies both the Controller(s) and View(s) that it has changed
D. View(s) and Controller(s) can be hard to separate (ex: a text box is both a View & a Controller)
E. View(s) and Controller(s) are highly dependent on the Model, but not the other way around
2) Objects maintain their own state via (Circle correct letter)
A. Their superclass parts
B. Their static variables
C. Their instance variables
D. Their local variables
E. Their subclass parts
3) Interface defines __________ messages can be sent to an object while implementation defines __________
messages are coded. (Use the words "how" and/or "what" to answer this question.)
4) The 3 main tenets/features of OOP are
__________________________ __________________________ __________________________
5) Inheritance with a concrete superclass is an example of pure inheritance of ________________________.
Inheritance with an interface is an example of pure inheritance of ________________________.
Inheritance with a(n) ________________ superclass is an example of a mixture of the two types of inheritance.
6) ______________________ gives us an is-a relationship while _______________________ gives us a has-a
relationship.
7) To realize the real power of dynamic binding
A. A superclass reference must be a concrete class
B. A superclass reference must be an interface
C. A superclass reference must be an abstract class
D. A superclass reference can be any type: interface, abstract class, or concrete class
8) In UML notation for access,
public members are notated with a _______
protected members are notated with a _______
private members are notated with a _______
9) In UML, how is an interface type identified? (Not talking about inheritance here.)
