Exam 6: Object Modeling

A ____ is a command that tells an object to perform a certain method.

Sequence diagrams include symbols that represent all of the following EXCEPT ____.

A major advantage of O-O designs is that systems analysts can save time and avoid errors by using ____ objects.

Class diagrams evolve into code modules, data objects, and other system components.

The UML represents an object as a(n) ____ with the object name at the top, followed by the object's attributes and methods.

Use cases cannot interact with other use cases.

In a class diagram, each class appears as a(n) ____, with the class name at the top, followed by the class's attributes and methods.

When you construct a ____, you review the use case and identify the classes that participate in the underlying business transaction.

When you identify use cases, it is important to keep all related transactions separate.

You can view an object as a(n) ____________________, because a message to the object triggers changes within the object without specifying how the changes must be carried out.

An object's ____ are the tasks or functions the object performs.

A(n) ____ represents a real person, place, event, or transaction.

The same message to two different objects produces the same results.

Explain what a message is, using examples to demonstrate your understanding, and use the terms black box and encapsulation in your response.

A(n) ____ is a group of similar objects.

____ enable objects to communicate and interact as they perform business functions and transactions required by the system.

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

When you create a use case diagram, the first step is to identify the system boundary, which is represented by a ____.

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

In a use case, the ____________________ is shown as a stick figure.