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UML Use case diagram description

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

UML class diagram Summary

This articleArticleNice http://technoboy.iteye.com/blog/998458 too ======================================================= In fact, I have always thought that UML is a very useless thing and never learned much. It is enough to look at the UML diagram drawn by others occasionally. Dramatically, I have seen the most UML

UML simple example Diagram

to represent other information, such as comments and semantics of model elements. In addition, UML provides an extension mechanism that enables the UML language to adapt to a special method (or process) or expand to an organization or user. Classification of UML views:UML is used to describe a model. A model is used to describe the institutional or static fe

Software Engineering accumulation-UML use case diagram

1. Introduction to UML UML (Unified Modeling Language) is a visual modeling language that is well defined, easy to express, powerful, and universally applicable. It integrates new ideas, new methods, and new technologies in the software engineering field. Its scope is not limited to supporting object-oriented analysis and design, but also supporting the entire process of software development starting from r

PHP and UML class diagram phpandumlclassdiagrams_php tutorial

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

Rational Rose 2003 Reverse Engineering convert C + + source code into UML class diagram

Online about from C + + code to UML class diagram generation process of things, found a usable, and now turn down, in case of a rainy days.Turn to slightly adjust the next content, only care about the use.Original source http://siulyn.blog.163.com/blog/static/6245583620087252539344Rational Rose 2003 Reverse engineering generating UML Model diagramThis section foc

How to draw a UML use case diagram

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

UML class diagram symbol

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

Beginner uml--use case diagram

Start learning the UML modeling language, starting with the use case diagram. Modeling Tools Select VisioThe use case diagram describes the system functions understood by the participants, the main elements being use cases and participants, and helping the development team to understand the functional requirements of the system in a visual way. At this time in th

First day: Simple Factory mode and UML class diagram

What is a simple Factory mode:By defining a class specifically, you are responsible for creating instances of other classes that typically have a common parent class. UML class diagram for simple Factory mode: The roles contained in the Simple factory model and the corresponding responsibilities are as follows: Factory class Creator: The core of the simple factor

Python design mode-UML-Package diagrams (Package Diagram)

Tags: font public service Ted Python simple folder reason nesting history Brief introduction Package diagrams is a description of the relationship between packages and packages, showing the dependencies between modules and modules in the system. A package diagram can consist of any UML diagram that can hold elements such as classes, interfaces, components, use c

Draw a clean UML diagram

functionally equal, the second arrangement is more neat. Figure 1. "messy" DiagramFigure 2. "clean" Avoid boxes of different sizesHow can we improve Figure 1? First, make sure all the boxes are of the same size. A large box seems to be more important than a small box. If this is what you try to express, that's right-but if I select it, I 'd rather keep all the boxes in the same size. This method is most suitable for the "UML use case"

Introduction to UML class diagram symbols

. Generalization (inheritance)Generalization relationship: Used when two classes have generalized relationships, such as fathers and children, animals and tigers, plants and flowers.The code rose generates is simple, as follows: #include "C11.h"Class C12:public C11... {}; 5, here by the way to mention the templateThe code for the above diagram corresponds to the following: TemplateClass C13... {}; Repeat here again, in fact, after reading the above de

Accumulate Kuibu, Poly stream-------about UML time series diagram

The existence of UML time series diagramIn the previous article, the UML class diagram was recorded, and the class diagram was used to describe the classes needed in the code and the relationship between them, and the whole program framework was displayed in front of us, like a painting, there are some people with wate

UML class diagram

UML class diagram Using UML class diagrams, we can express the static content of classes and their relationships. In the class diagram, we can show the member variables and member functions of the class, as well as the inheritance and reference relationships between classes. In short, we can depict all source code-leve

Apply the UML class diagram to the corresponding code set [collected on the network]

I,UML diagram and code representation of class-to-class relationships The relationship between classes plays an important role in understanding object-oriented objects. I was often asked this question during interviews. Here I will introduce it.There is a relationship between the class and the class:(1) Generalization)(2) Association)(3) Dependency)(4) Aggregation) UML

Diagram analysis such as UML (dependency, association, aggregation, composition, generalization, implementation)

In my study of design patterns, I used UML for modeling.At first I was not too clear on the understanding of the various relations, on the internet also searched some information, now on the class diagram of these kinds of relationships: dependency, association, aggregation, composition, generalization, implementation of a description.First of all, we need to know two points:1. Order of their relationships:

uml--use case diagram

One. UML OverviewThe role of 1.UML: a complex problem decomposition B realizes the visualizationUML is created by rational company 2.UML is what: is a language, has its own standard expression rules, is an analytical design language, is also a modeling language 3.UML including five large views, 13 kinds of Figure five

UML object class diagram

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

Relationship between UML diagram and software development process

. "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

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