Exam 6: Object Modeling

Matching ​Identify the letter of the choice that best matches the phrase or definition. -In this, lines show relationships between classes and have labels identifying the action that relates the two classes.

_____ allows objects to be used as modular components anywhere in a system.

An object, such as a bank account, can have a specific attribute called a(n) _____ that can be active, inactive, closed, or frozen.

Object modeling requires many types of diagrams, creating which by hand is very time consuming and tedious, so systems analysts rely on _____ to speed up the process.

_____ describe what objects need to know about each other, how objects respond to changes in other objects, and the effects of membership in classes, superclasses, and subclasses.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -It is used as a guide to continue to develop additional diagrams and documentation.

Which of the following relationships corresponds to the Unified Modeling Language (UML) notation on the class diagram 0..1 that Kevin has written?

A(n) _____ resembles a horizontal flowchart that shows the actions and events as they occur.

In a sequence diagram, a _____ represents the time during which an object above it is able to interact with the other objects in the use case.

Some objects might have a few attributes; others might have dozens.

After one identifies a system's objects, classes, and relationships, one should develop a(n) object relationship diagram that provides an overview of the system.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -It is based on the idea that all data and methods are self-contained.

An _____ shows the objects and how they interact to perform business functions and transactions.

In a state transition diagram, the states appear as rounded rectangles with the state names inside.

In an object-oriented system, objects can _____ certain attributes from other objects.

A class can belong to a more general category called a _____.

A major advantage of object-oriented (O-O) designs is that systems analysts can save time and avoid errors by using _____ objects.

What do relationships enable objects to do? What is the strongest kind of relationship? Walk through an example that demonstrates your understanding of the concept.

A black box does not want or need outside interference.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -This ensures consistency and provides common links so that once objects are described and used in one part of the design, they can be reused multiple times without further effort.