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Unified Modeling Language
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Provides notation in the form of diagrams for modeling and documenting a broad range of systems, activities, and processes.
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can be considered as an abstraction of a system (problem), that consists of objects interacting by sending messages
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The domain is the actual world from which the system (problem) originates.
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Generally, more than one model is used to describe complex systems. T/F? Lernen beginnen
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A view depicts selected aspects of a model in order to visualize and make them understandable
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The essential characteristics (data) of the entities are captured as _______(_______), and the essential functionalities (operations, actions, behaviour) of those attributes are captured as _____. Lernen beginnen
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The essential characteristics (data) of the entities are captured as attributes (data fields), and the essential functionalities (operations, actions, behaviour) of those attributes are captured as methods.
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What a re the 3 different types of models? Lernen beginnen
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Functional, object, dynamic
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What are the functional models? Lernen beginnen
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use case diagrams (actors and use cases)
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what are the object models? Lernen beginnen
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class and instance diagrams, which comprise objects (attributes and functionality) and associations (relationships), used to describe the system structure;
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what are the dynamic models? Lernen beginnen
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represent a set of operations that describe system’s behaviour.
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What is the purpose of a usecase diagram? Lernen beginnen
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to represent functionality of a system during the elicitation and analysis stages (what rather then how)
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a scenario is a sequence of steps describing what happens when someone interacts with the system
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the roles that people (objects) play in the system; different type of users (or systems) that interact with the system.
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What is association in relation to class diagrams? Lernen beginnen
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a relationship between instances of the two classes, shown as a solid line between the classes (could be directed).
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What is aggregation in relation to class diagrams? Lernen beginnen
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a part-of relationship, in which one class belongs to a collection. Shown as solid line with a diamond end pointing to the part containing the whole.
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What is generalizationin relation to class diagrams? Lernen beginnen
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an inheritance relationship, shown as a solid line with a triangle pointing to the superclass
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multiplicity of association, what does * or 0...* mean? Lernen beginnen
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no upper limit – zero or more
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multiplicity of association, what does 1 or 1...1 mean? Lernen beginnen
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multiplicity of association, what does 0...1 mean? Lernen beginnen
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multiplicity of association, what does 1...* mean? Lernen beginnen
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what are Interaction Diagrams? Lernen beginnen
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Formalized description and notation of dynamic behaviour and collaboration of group of objects
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interaction diagrams what are objects involved called? Lernen beginnen
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give 1 example of an interaction diagram Lernen beginnen
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what is a state chart diagram? Lernen beginnen
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The dynamic of a system can be described with a number of states and the transitions between them
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A state defines a particular set of attributes (data, characteristics) for an object.
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