Deck 17: Objected-Oriented Analysis and Design: Object Modeling-Class Diagrams

Question 1

On a class diagram,an association is signified by a double-ended arrow that connects the participating object classes.

Answer 1

False

Question 2

An entity that has a well-defined role in the application domain and has state,behavior,and identity characteristics defines:

A)object
B)attribute
C)actor
D)class

Answer 2

A

Question 3

An entity that has a well-defined role in the application domain and has state,behavior,and identity characteristics defines:

A)object
B)attribute
C)actor
D)class

Answer 3

A

Question 4

Which of the following represents how an object acts and reacts?

A)behavior
B)class
C)state
D)encapsulation

Question 5

In UML,a class is represented by:

A)a rectangle with three compartments separated by horizontal lines
B)a circle in which the activity name is recorded
C)a double-lined ellipse in which the activity name is recorded
D)a diamond in which the activity name is recorded

Question 6

An aggregation expresses a Part-of relationship between a component object and an aggregate object.

Question 7

An operation is an indication of how many objects participate in a given relationship.

Question 8

An aggregation expresses a Part-of relationship between a component object and an aggregate object.

Question 9

Which of the following provides an external interface to a class?

A)constructor
B)operation
C)view
D)association

Question 10

An object class is a logical grouping of objects that have the same attributes and behaviors.

Question 11

Operations provide an external interface to a class.

Question 12

The technique of hiding the internal implementation details of an object from its external view is called incorporation.

Question 13

Which of the following provides an external interface to a class?

A)constructor
B)operation
C)view
D)association

Question 14

Showing the static structure of an object-oriented model: the object classes,their internal structure,and the relationships in which they participate is the purpose of a:

A)class diagram
B)sequence diagram
C)collaboration diagram

Question 15

Multiplicity indicates how many objects participate in a given relationship.

Question 16

Which of the following represents how an object acts and reacts?

A)behavior
B)class
C)state
D)encapsulation

Question 17

Which of the following encompasses an object's properties and the values those properties have?

A)behavior
B)class
C)state
D)encapsulation

Question 18

The technique of hiding the internal implementation details of an object from its external view is called:

A)disassociation
B)encryption
C)generalization

Question 19

An association between the instances of one or more entity types that is of interest to the organization best defines:

A)occurrence
B)relationship
C)coupling
D)cardinality

Question 20

Which of the following encompasses an object's properties and the values those properties have?

A)behavior
B)class
C)state
D)encapsulation

Question 21

__________ is the technique of hiding the internal implementation details of an object from its external view.

Question 22

__________ is a part-of relationship between a component object and an aggregate object.

Question 23

__________ is an indication of how many objects participate in a given relationship.

Question 24

Match each of the following terms with its corresponding definition.
a.abstract operation
b.method
c.polymorphism
d.aggregation
e.composition
A part object that belongs to only one whole object and that lives and dies with the whole.

Question 25

The technique of hiding the internal implementation details of an object from its external view is called:

A)disassociation
B)encryption
C)encapsulation
D)generalization

Question 26

An __________ is a relationship between object classes.

Question 27

Match each of the following terms with its corresponding definition.
a.abstract operation
b.method
c.polymorphism
d.aggregation
e.composition
The implementation of an operation.

Question 28

What is an operation? Briefly describe three types of operations.

Question 29

An __________ is a class that has no direct instances,but whose descendants may have direct instances.

Question 30

Match each of the following terms with its corresponding definition.
a.abstract operation
b.method
c.polymorphism
d.aggregation
e.composition
Defines the form or protocol of the operation,but not its implementation.

Question 31

Match each of the following terms with its corresponding definition.
a.abstract operation
b.method
c.polymorphism
d.aggregation
e.composition
A part-of relationship between a component object and an aggregate object.

Question 32

Match each of the following terms with its corresponding definition.
a.abstract operation
b.method
c.polymorphism
d.aggregation
e.composition
The same operation may apply to two or more classes in different ways.