UML Class Diagram Arrows Flashcards

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Questions and Answers

What type of line represents an association in UML class diagrams?

Open Arrow
Line (optional closed arrow) (correct)
Dashed Line
Closed Arrow

Which line type indicates a dependency in UML?

Closed Arrow (correct)
Line (optional closed arrow)
Dashed Line (correct)
Open Diamond

What does a dashed line-to-line represent in UML class diagrams?

Association Class

What symbol is used to represent inheritance in UML class diagrams?

Open Arrow Signup and view all the answers

What does an open diamond symbolize in UML class diagrams?

Aggregation Signup and view all the answers

What is represented by a closed diamond in UML class diagrams?

Composition Signup and view all the answers

Study Notes

UML Class Diagram Arrows

Association:
- Represented by a simple line, may include a closed arrow.
- Indicates a relationship between classes.
Dependency:
- Shown as a dashed line ending with a closed arrow.
- Indicates that one class relies on another, suggesting a weaker relationship.
Association Class:
- Illustrated with a dashed line connecting classes to the association class.
- Allows additional properties to be associated with an association.
Inheritance:
- Depicted with an open arrow.
- Represents a parent-child relationship between classes, where the child inherits attributes and methods from the parent.
Aggregation:
- Illustrated by an open diamond at the parent class end of the line.
- Signifies a whole-part relationship, where the part can exist independently of the whole.
Composition:
- Represented by a closed diamond at the parent class end of the line.
- Indicates a strong whole-part relationship, where the part's lifecycle is dependent on the whole.

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Description

This quiz features flashcards designed to help you learn various UML class diagram arrows and their meanings. Each card presents a specific term and its corresponding definition, aiding in the understanding of relationships in UML diagrams.