Questions and Answers
What type of line represents an association in UML class diagrams?
Which line type indicates a dependency in UML?
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?
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What does an open diamond symbolize in UML class diagrams?
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What is represented by a closed diamond in UML class diagrams?
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Study Notes
UML Class Diagram Arrows
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Association:
- Represented by a simple line, may include a closed arrow.
- Indicates a relationship between classes.
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Dependency:
- Shown as a dashed line ending with a closed arrow.
- Indicates that one class relies on another, suggesting a weaker relationship.
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Association Class:
- Illustrated with a dashed line connecting classes to the association class.
- Allows additional properties to be associated with an association.
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Inheritance:
- Depicted with an open arrow.
- Represents a parent-child relationship between classes, where the child inherits attributes and methods from the parent.
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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.
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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.
