Exam 6: Object Modeling

Object-oriented designs typically are implemented with ____________________ programming languages.

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

A(n) method is like a blueprint, or template, for all the objects within a class. _________________________

-In a use case, an external entity is called a(n) ____.

-A(n) ____________________ diagram graphically documents the use case by showing the classes, the messages, and the timing of the messages.

The UML uses a set of symbols to represent graphically the ____ within a system.

A class can belong to a more general category called a(n) subclass. _________________________

When the outcome of one use case is incorporated by another use case, we say the second use case uses the first case.

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

-In a class diagram, the class is listed with the class name at the top, followed by the class's attributes and ____________________.

A(n) ____ defines specific tasks that an object can perform.

All relationships have equal weight; none is stronger than any other.

-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.

____ are characteristics that describe the object.

The black box concept is an example of ____________________, which means that all data and methods are self-contained.

By limiting access to internal processes, an object prevents its internal code from being altered by another object or process.

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

In a sequence diagram, a message is identified by a narrow vertical shape that covers the lifeline.

MATCHING Identify the letter of the choice that best matches the phrase or definition.a.class diagram f.activity diagram b.BPM g.CASE tools c.lifeline h.black box d.object relationship diagram i.UML e.state transition diagram j.system boundary -This is mainly used to support O-O system analysis and to develop object models.

-____________________ describes how instances of one class relate to instances of another class.