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The object class diagram of UML can be better usedDatabaseModeling. Traditional E-R diagram only focus on data, while UML object class diagram not only on the data, but also on the behavior modeling, these behavior in the physical database is designed as a trigger and storag
. "When" is the answer, that is, how the development work is scheduled; 4. "Who" means that some development (or maintenance) work is intended to be done by "who? "· 5. "How" means how certain requirements are met; 6. Why? The above is the relevant content of the soft work document. Let's take a look at the relationship between the UML diagram and the document below: First, the
closely linked.The subsystem in UML uses a rectangular border to represent a subsystem that can write a description of some of the systems: (5) Relationship A relationship is a relationship between a participant and a participant, a use case and a use case, a use case and a participant, usually divided into four types: association, generalization, inclusion,Extended.The following four relationships are included in the standard use case
name that differs from the other package. The name of the model package is a string that can be divided into simple names and path names .Simple name: refers to a package that contains only a simple name.pathname : Refers to the name of the outer package that the package is located in as a prefix.3, the role of package diagrams:Package diagrams can describe the requirements, the design of the high-level overview, package diagram through the rational
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
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 workflow between the user and your system. For more information, see user requirement modeling.T
The meanings of the symbols of UML class diagramsClass diagram basic symbols can be broken down into dashed lines, arrows, solid lines, hollow right triangles, solid right triangles, hollow diamonds and solid diamonds. These basic graphs are combined to form the basic symbols of the class diagram. It is important to note that the order of these symbols represents
！！！ Excerpt from: http://www.cnblogs.com/silent2012/archive/2011/09/07/2169946.htmlSeveral structure http://www.open-open.com/lib/view/open1328059700311.html in class diagram1. What is a class diagramClass diagram are mainly used to describe the structural design of a system. Class diagrams are also the most commonly used UML diagrams, with class diagrams showing classes, interfaces, and the static structur
Labels: UML class diagram This article is your own learning notes. You are welcome to repost it, but please indicate the source:Http://blog.csdn.net/jesson20121020 Previously, the diagram drawn in the factory method mode was not strictly in line with the UML class diagram
Reprinted: http://hi.baidu.com/dburu/blog/item/c60fc1881b37189ca4c2723f.html/cmtid/059096cb1ab0e0f352664fa7 Green UML: A uml class diagram creation tool. You can use green UML to create a UML class diagram from the Code, or use a
The following is a Library management system state diagram, very typical, covering the use of all the elements of the state diagram, because the state diagram is relatively simple, directly from the view of the picture can be very well mastered. Suppose you want to understand the concept of the element rigor of the state diag
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/monkey_d_meng/article/details/5995610/ UML M
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
Team member Participation Contribution ratio 031602406 Cheng (temporary leader) Entity Relationship Diagram Design 11 031602501 CAI Aerospace Entity Relationship Diagram Design 8 051501124 Wang Bin Class diagram Design 8 031602438 ye Yi
UML Dynamic Model diagram describes various aspects of system dynamic behavior, including use case diagram, sequence diagram, collaboration diagram, activity diagram and state diagram.
One: Dynamic View---> Dynamic view is a description of the dynamic behavior of things. ---> Note that a dynamic view cannot exist independently, it must refer to a static view of a live uml element, explaining their dynamic behavior under the structure of things defined by static views. ---> Dynamic view: Activity diagram, state diagram, timing
I. Introduction to UML Use case modeling Use case modeling is part of UML modeling, and it is the most basic part of UML. The most important function of use case modeling is to express the functional requirements or behavior of the system. According to my understanding use case modeling can be divided into use case diagrams and use case descriptions. Use-case dia
the specification or interface defined in the target element Refine Adornments represent the relationships between different semantic hierarchies. Substiute The source element is an alternative to the target element. Trace We use this dependency to track things such as dependencies from requirements to classes, or how changes in a model are practiced in other models. Use The target element to be used when the source
Transferred from: http://www.cnblogs.com/alexlee73/archive/2011/11/05/2237294.htmlAttached: http://download.csdn.net/download/tiancen2001/15293911.UML is divided into:1) Static Modeling: System Foundation and system fixed frame structure, these graphs are often "static". Class Diagram: Commonly used to analyze business concepts Use case Diagram: Comm
transferred from: http://www.cnblogs.com/silent2012/archive/2011/09/07/2169946.html1. What is a class diagramClass diagram are mainly used to describe the structural design of a system. Class diagrams are also the most commonly used UML diagrams, with class diagrams showing classes, interfaces, and the static structure and relationships between them.2. Elements of a class diagramThe following model elements
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