Object-Oriented Modeling

Principles of Visual Modeling - Use Case Modeling - Writing good Use Cases - Activity Modeling - Finding Classes - Class Diagrams - Interaction Diagrams

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This flashcard set covers advanced university-level concepts in object-oriented modeling, focusing on class diagrams, use cases, and sequence diagrams. It explores elements like classes, attributes, associations, and compartments, along with their relationships and roles in system modeling. Ideal for computer science students, this flashcard set helps understand and apply UML diagrams effectively, making it a valuable resource for those studying software design and development.

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Englisch

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Informatik

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Erstellt / Aktualisiert

10.08.2016 / 25.08.2016

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A Sequence Diagram shows…

links between the objects, which participate in the interaction.

the explicit sequence of messages.

relationships, in addition to interactions.

how objects are related to each other and how they interact.

Each association should have…

zero to many multiplicities for each end of the association.

several multiplicities for each end of the association.

two multiplicities for each end of the association.

one multiplicity for each end of the association.

The Class Diagram describes…

the dynamic view of the system.

the interactions between objects.

the implementation view of the system.

the static view of the system.

The Class Diagram is a UML diagram type of the….

Interaction Diagrams

Structural Diagrams

Communication Diagrams

Behavioural Diagrams

Which relationship/ association type CAN’T be modeled in the Class Diagram?

generalization

message

aggregation

reflexive association

The generalization models a…

“many to many”- relationship

“zero to many”- relationship

“whole-part” - relationship

“kind of”- relationship

The aggregation models a…

“whole-part”- relationship

“zero to many”- relationship

“type of”- relationship

“kind of” - relationship

Which of the following statements is true?

D has 2 A´s (in the sense of multiplicity)

D has a "navigable association" to A

B has access to the attribute a1 and a3

B has access to the attribute a1 and a2

In which diagram / document should you search for Entity Classes?

Glossary

Sequence Diagram

Communication Diagram

Use Case Diagram

Which class compartment contains the operations?

the upper/ topmost compartment

all compartments

the lower/ lowermost compartment

the medium/ central compartment

Which of the following statements is true?

B is a superclass of A

A is a superclass of B

B is a superclass of E

B is a superclass of C

Which class has a navigable association to another class?

Which element is NOT part of the Collaboration Diagram?

use case

link

object

actor

Which of the following statements is true?

D has 2 A´s (in the sense of multiplicity)

B has access to the attribute a7 and a9

D has a "navigable association" to A

B has access to the attribute a1 and a2

Which one of the following statements is true?

All of the three statements are false

object b sends a message b

object d sends a message a

object a receives a message a

In which diagram / document should you search for Entity Classes (within the step "finding classes")?

Use Case Specification

Sequence Diagram

Use Case Diagram

Communication Diagram

Which one of the following statements is true?

B has no access to the attributes of E

B has access to the attribute a 15

B has access to all attributes of E

B has access to the attribute a13

Which element is NOT part of the Sequence Diagram?

object

life line

class

actor

How many Boundary Classes can you find in this Use Case Diagram?

Encapsulation means, that...

everyone has access to the data.

no data is available.

something complex is splitted into manageable pieces.

the implementation is hidden from the user.

Which one of the following statements is true?

object b sends a message b

object a receives a message a

All of the three statements are false

object d sends a message a

Which notation element can be used to group other notation elements?

object

interface

package

message

An aggregation is a special type of an association. It shows the -relationship between classes.

kind of

part of

component of

instance of

If you would extract a Class Diagram of the below Diagram, which of the following statements will be true for the Class Diagram?

A has a reflexive association

B has a reflexive association

both statements are true

no statement is true

Which class is a subclass?

Which class compartment contains the attributes?

the upper/ topmost compartment

a class contains no attributes

the lower/ lowermost compartment

the middle/ central compartment

If you would extract a Class Diagram of the below Diagram, which of the following statements will be true for the Class Diagram?

Class A has an operation a

Class A has an operation b

Class A has an operation a, b and c

Class A has an operation c

Which one of the following statements is true?

B has access to the attribute a3

B has access to all attributes of A

B has access to the attribute a2

B has no access to the attributes of A

What is the UML NOT for? The UML is NOT a language for the ... of artefacts.

visualization

project management

construction

specification

Which of the following notation elements is NOT used in both diagram types, the Sequence Diagram and the Communication Diagram?

actor

message

object

link

Which one of the following statements is true?

Class C has an operation a

Class D has an operation a

Class B has an operation a

All of the three statements are true

In which diagram/ document should you search for Boundary Classes (within the step "finding classes")?

Sequence Diagram

Use Case Diagram

Use Case Specification

Communication Diagram

Which sign marks a public method?

prefixed +

prefixed -

prefixed #

prefixed ~

If you would extract a Class Diagram of the below Diagram, which of the following statements will be true for the Class Diagram?

all of the three statements are true

Class B has not an operation a

Class B has an operation c

Class B has an operation b

A Use Case Specification contains...

no Basic Flow

one Basic Flow

an arbitrary number of Basic Flows

Which class is the aggregate (the whole) of the aggregation?

Which UML diagram type shows the specific time, at which an object sends a message to another object?

Class Diagram

Collaboration Diagram

Use Case Diagram

Sequence Diagram

Which class compartment contains the class stereotype?

the lower/ lowermost compartment

all compartments

the medium/ central compartment

the upper/ topmost compartment

Is the actor part of the modeled system?

sometimes

yes

In which diagram/ document should you search for Control Classes (within the step "finding classes")?

Communication Diagram

Sequence Diagram

Use Case Specification

Use Case Diagram

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