![]() It (administrators, developers, data entry personnel.) UCD is well suited to the task of describing all of the things thatĬan be done with a database system, by all of the people who might use Interesting points in the system's behavior.) Further detail can later be added to the diagram to elucidate System from a top-down perspective (that is, at a glance the system'sįunctionality is obvious, but all descriptions are at a very high You should use UCDs to represent the functionality of your Perform, and the lines that represent relationships between The use cases, or services, that the system knows how to System you are describing interacts with, the system itself, UCDs have only 4 major elements: The actors that the There are a number of graphical examples in thisįAQ you might want to look over them to familiarize yourself with the Order or number of times that the systems actions and sub-actions Or flow charts because they do not make any attempt to represent the Though, that UCDs are fundamentally different from sequence diagrams The details of individual features of your system, UCDs can be used to UML Use Case Diagrams can be used to describe the functionality of a What is a UML Use Case Diagram (UCD), and when should I use it? How can I represent that with Use Case Diagrams? The scenario I want to describe branches into several possible outcomes, or has some error conditions. What is the difference between uses and extends? How is a UML Use Case Diagram different from a traditional flow chart? I am trying to represent a sequence of actions that the system performs. The actors in my diagram have interactions. How do you know what to put in the "System" box? How do you know who the actors are in a UCD? It does not come with a library of UML shapes (except Mark Lautman's UML Shapes for Draw).UML Use Case Diagrams: Tips UML Use Case Diagrams: Tips and FAQĬontents: What is a UML Use Case Diagram (UCD), and when should I use it? Microsoft Paint, LibreOffice Draw or OpenOffice Draw: Draw can be used to draw UML diagrams, but I don't know how conveniently. Visio is available in the Undergraduate Lab and is available for free download through University software. Microsoft Visio: a diagramming tool, with a library of UML shapes. Microsoft PowerPoint and Word: Powerpoint and Word can be used to draw UML diagrams, but not conveniently, because there is no library of UML shapes for it. It is available to all Stony Brook Google Apps users through Google Drive. Lucidchart: a web-based diagramming tool with support for UML diagrams. The following general-purpose diagramming tools do not provide such error checking, but they are enough for CSE114. The above UML tools provide some error checking that helps prevent you from producing invalid UML diagrams. It also does not support loops, alternatives, etc. It supports use case diagrams, class diagrams, activity diagrams, sequence diagrams, state diagrams, and object diagrams, but it does not support component diagrams, communication diagrams, or deployment diagrams. ![]() Netbeans UML Plug-in: It supports use case diagrams, class diagrams, activity diagrams, sequence diagrams, and state diagrams, and also supports forward and reverse engineering, but does not support communication diagrams or component diagrams. According to the Wikipedia entry for StarUML, StarUML supports most of the diagram types specified in UML 2.0, except object, package, timing and interaction overview diagrams. StarUML: an open-source UML modeling tool. It supports activity diagrams, component diagrams, class diagrams, sequence diagrams, and use case diagrams, but not communication diagrams or state diagrams. Visual Studio is available for free download through University software: and has support for UML Modeling for example, see How to: Create UML Modeling Projects and Diagrams. UMLet supports class diagrams, use case diagrams, sequence diagrams, state diagrams, deployment diagrams, activity diagrams, and component diagrams, but not communication diagrams. Runs stand-alone or as an Eclipse plug-in on Windows, OS X, and Linux. It is installed on the computers in the Undergraduate Lab. It runs on Windows XP/Vista/7, Linux, Mac OS X, etc. It supports all of the types of UML diagrams. The Community Edition is free for non-commercial use. Visual Paradigm for UML (Community Edition). Computer Science III - Computer programming design, coding and testing CSE 219 - UML Tools UML Tools
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