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UML, a unified modeling language, is an object-oriented modeling language. It is mainly used to help users perform object-oriented descriptions and Modeling of software systems (by ing users' business needsCodeTo ensure that the Code meets these requirements and can easily trace back the process of requirements), it can describe the entire process of the software
Transferred from: http://www.360doc.com/content/10/1206/23/3123_75672033.shtmlSome time ago participated in the technical lecture of Pangayu teacher, UML modelling technology benefited greatly. I also put some of the usual accumulation and the last harvest summarized in this article, mainly on the use case diagram related knowledge.The use case diagram is the fir
one), "0 ..." (representing 0 or more), "0,1" (for 0 or one), "N...M" (for N to M), "m...*" (for at least m).• Association Relationship (association) is the most commonly used relationship between classes and classes, which is a structured relationship between a class of objects and another class of objects. • In UML class diagrams, objects that are associated with a solid line are connected by a class that, when implemented in a programming language
PHP and UML class diagrams PHPandUMLClassDiagrams. This short article is well written. it can be said that using PHP to explain UML (or conversely) is an innovation. through this article, I also found a good site: www.phppatterns.com. This short article on various UML techniques is well written. using PHP to explain UML
This short article is well written. it can be said that using PHP to explain UML (or conversely) is an innovation. through this article, I also found a good site: www.phppatterns.com. The translation of various UML terms comes from the book I am reading, TheUnifiedModelingLanguageUserGuide. UML (UnifiedModelingLanguage) is a good short article. using PHP to expla
is associated with project that needs to be converted.(ii) Conversion of the set-up component into a model diagramCheck the set component, right click, Update Model ..., will pop up the confirmation dialog box, select the class to be converted, click Finish.Comments①IBM Rational Software Architect is an integrated design and development tool that enables users to develop clearly structured applications and services in a
This essay is good, the use of PHP to explain the UML (or conversely) can be said to be an innovation, through this article, I also found a good station: www.phppatterns.com. The translation of the UML terms comes from the Unified Modeling Language User Guide, which I am looking at. UML (Unified Modeling Language, Unified Modeling Language) is a mechanism for rep
case.Generalization: The generalization of a use case refers to a parent use case that can be customized to form multiple child use cases, in the language we are familiar with is the inheritance relationship.In UML, a generalization relationship is represented by a hollow arrow, and the arrow points to the parent use case .Use the use case diagram in the book to work with Visio again:1) Identify participan
UMLThe use case diagram is a very useful graph. In demand analysis, it can free people from the heavy documentation, in addition, it prompts people to express their meaning more accurately and intuitively when making demands. Common languagesThe word is often unable to express a thing clearly. At this time, it needs to be expressed in other ways. The example graph is a good method, of course, the use case diagram
Address: http://developer.51cto.com/art/201006/205392.htm This section briefly introduces the UML class diagram symbols, each of which has different meanings. I hope you will have some knowledge about the UML class diagram symbols through this section, next let's take a look at the detailed introduction of
vertical or horizontal straight lines. This time I pretended to be drawing on a grid (in fact, this is the built-in feature of many Computer-Aided System Engineering (CASE) tools ), then, you only need to draw boxes and lines like on the grid. Figure 5. clean version of Figure 4 Avoid chaotic or complex GraphsAn image that shows too many details or looks messy does not look very good. It is best to have several pictures that show details of various degrees, rather than a complex
customer failure to understand use cases11) In some cases, it is not appropriate to use use case diagrams to describe requirements SummaryIn the requirements analysis phase of software engineering, it is often necessary to model the target system using the UML use case diagram, and through the visual use case models, theThe system to be developed has a visible
After reading the UML video, I want to start drawing documents. I don't know how to start! Let's summarize the nine types of diagrams and relationships in UML, and then start with the document. First. The nine types of UML diagrams are: use case diagram, class diagram, obj
The "activity diagram" displays business or software processes as workflows through a series of operations. These operations can be performed by people, software components, or computers.The activity diagram can be used to describe various types of processes. The specific examples are as follows:Business flow or workfl
Sixth package DiagramKey concepts:1. package Diagram (Diagram)Consists of a number of packages and the relationships between the packages. A packet is a grouping mechanism that sets up some related classes as a package, forming a high cohesion , low-coupling class collection, which can be said to be a package equivalent to a subsystem.2. Brief introduction:Package diagrams is an important modeling tool for
The package diagram and Use Cases Written in UML last time: connect to: UML from requirement to implementation --- package diagram According to the sequence of appearance in the UML diagram. After the package
Original address: http://blog.csdn.net/zhuojiajin/article/details/8657853See the UML video, feel the UML content actually look very clear. When I started to paint, I found out that it was purely a teacher's job. Listen to understand or feel that you understand that it is just an illusion. For the UML diagram or underst
first, the basic concept UML as a unified Modeling language, is a model of language, then the model is mainly used to represent, this time naturally generated UML diagram. UML mainly consists of basic building blocks, rules and public mechanisms, in which the basic building blocks consist of things, relationships and
First, the concept: Introduction to the basic concepts of UML: UML:UML (Unified Modeling Language) provides a unified, standard, and visual modeling language for object-oriented software design. It is suitable for describing the whole process of software design which is driven by use case and is architecture-centric. StarUML Use tutorial See http://blog.csdn.net
1, what is UML UML class diagrams can quickly examine code structures. 2. Theme The use of UML class diagrams in Pycharm. 3. Preparation work (1) Pycharm version is 2.7 or higher (2) Installing the Python Interpreter (3) UML Plug-ins and UML class
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