216 Quiz 3

________ show the same information as a sequence diagram. Structural diagrams Communication diagrams Concept diagrams Behavioral diagrams

Communication diagrams

Polymorphism means that the subclass may inherit a parent method but may add to it or modify it. True False

True

On an activity diagram, what is used to show partitioning? a filled-in circle a diamond a synchronization bar a swimlane

a swimlane

Which type of class cannot be directly instantiated? interface abstract control entity

abstract

Object-oriented techniques work well in situations where ________ information systems are undergoing continuous maintenance, adaptation, and redesign. complicated highly technical global simple

complicated

When using inheritance, the child class is also known as a ________ class. primary derived secondary parent

derived

A private attribute on a class diagram: does not change its value for different object instances. is available to the class and all classes that have relationships with the attribute's class. is only available in the object. is hidden from all classes except immediate subclasses.

is only available in the object.

A mechanism for communicating between a server and a mainframe computer is called a: synchronization bar. EBCDIC conversion unit. message queue. swimlane.

message queue.

Which of the following is the main goal of the object-oriented approach? minimizing the impact of change maintaining systems functional control reusability

reusability

Method overloading means that: the method may be used on different platforms, such as a server or client computer. the same method may be defined differently in inherited classes. the method may have parameters passed to it from more than one relating class. the same method may be defined more than once in a given class.

the same method may be defined more than once in a given class.