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In software engineering, a class diagram [1] in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects. The class diagram is the main building block of object-oriented modeling.
A sample UML class and sequence diagram for the builder design pattern. [ 4 ] In the above UML class diagram , the Director class doesn't create and assemble the ProductA1 and ProductB1 objects directly.
Course allocation is the problem of allocating seats in university courses among students. Many universities impose an upper bound on the number of students allowed to register to each course, in order to ensure that the teachers can give sufficient attention to each individual student.
Class-responsibility-collaboration (CRC) cards are a brainstorming tool used in the design of object-oriented software. They were originally proposed by Ward Cunningham and Kent Beck as a teaching tool [ 1 ] but are also popular among expert designers [ 2 ] and recommended by extreme programming practitioners. [ 3 ]
A diagram is a partial graphic representation of a system's model. The set of diagrams need not completely cover the model and deleting a diagram does not change the model. The model may also contain documentation that drives the model elements and diagrams (such as written use cases). UML diagrams represent two different views of a system ...
A sample UML class and sequence diagram for the mediator design pattern. [ 5 ] In the above UML class diagram , the Colleague1 and Colleague2 classes do not refer to (and update) each other directly.
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UML Diagrams used to represent the development view include the Package diagram and the Component diagram. [2] Physical view: The physical view (aka the deployment view) depicts the system from a system engineer's point of view. It is concerned with the topology of software components on the physical layer as well as the physical connections ...