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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.
In this example, the working of that restaurant is used to understand how UML can be used to implement a restaurant system. Here wait staff take order and serve food to patron. Then patron eat food, drink wine and pay bill. In this diagram patron, chef, cashier and wait staff are actors. Applications of UML in embedded systems
A use case diagram [1] is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represented by either circles or ellipses. The actors are often shown as stick ...
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It is often indicated by a thin box or bar superimposed on the Object's lifeline in a Sequence Diagram; Activity diagram - a diagram that describes procedural logic, business process or work flow. An activity diagram contains a number of Activities and connected by Control Flows and Object Flows. Active class - a class defining active objects
Classes have lifecycles which are modeled in Executable UML with a statechart diagram. The statechart diagram defines the states, transitions, events, and procedures that define a class' behaviour. Each state has only one procedure that is executed upon entry into that state. A procedure is composed of actions, which are specified in an action ...
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Class diagram. The Booch method [1] is a method for object-oriented software development. It is composed of an object modeling language, [2] an iterative object-oriented development process, [3] and a set of recommended practices.