Unified Modeling Language

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Unified Modeling Language :: is a standardized, general-purpose modeling language used to visualize, design, specify, and document the structure and behavior of software systems. #AOSR/clvjk/s/1fou
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Groupings of Diagrams

Structural Diagrams

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• Class Diagram :: Class diagrams depict the static structure of a system, showing the classes, their attributes, methods, and the relationships between them. #AOSR/7h2t2/s/2cic
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• Object Diagram :: Object diagrams represent a snapshot of the objects and their relationships at a specific point in time. #AOSR/6radt/s/6gif
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• Component Diagram :: Component diagrams focus on the organization and dependencies of the physical components or modules that make up a system.
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• Package Diagram :: Package diagrams help organize the elements of a system into packages, showing how classes and other elements are grouped into larger units for better management and modularity.
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• Composite Structure Diagram :: Composite structure diagrams depict the internal structure of a class, component, or collaboration, showing how its parts are connected and interact.
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Behavioral Diagrams

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• Use Case Diagram :: Use case diagrams represent the functional requirements of a system from the perspective of its users.
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• Sequence Diagram :: Sequence diagrams illustrate the interactions between objects over time, showing the order of messages and their relationships. #AOSR/79upp/s/54u0
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• Activity Diagram :: Activity diagrams provide a visual representation of the workflow or business processes in a system.
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• State Machine Diagram :: State machine diagrams model the dynamic behavior of an object, showing its states and the transitions between those states.
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• Interaction Overview Diagram :: Interaction overview diagrams combine elements from various interaction diagrams (e.g., sequence diagrams, activity diagrams) to provide a high-level view of interactions and control flow. #AOSR/4edhh/s/438j
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Grouping of Relationships

Structural Relationships

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• Association :: A structural relationship that represents a connection or link between classes or objects.
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• Aggregation :: A form of association that represents a "whole-part" relationship.
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• Composition :: A stronger form of aggregation that signifies a strong ownership relationship between the whole and its parts.
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• Generalization (Inheritance) :: A structural relationship that defines a superclass-subclass relationship between classes. #AOSR/5kot4/s/6fnj
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• Realization :: A structural relationship that represents the implementation of an interface by a class.
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Behavioral Relationships

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• Dependency :: A behavioral relationship that represents a weaker form of association.
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• Association :: While associations are primarily structural, they can also represent behavioral relationships by indicating that objects of one class interact with objects of another class.
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• Generalization (Inheritance) :: While generalization is primarily a structural relationship, it also has behavioral implications.
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• Realization :: Realization is a behavioral relationship when it connects a class to an interface.
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