uml symbols

　　When I mentioned UML before, I thought of the complicated flowchart. I admire the people who think about the UML diagram of the whole system, because they have the blueprint of the whole software architecture in their mind, so that when writing the implementation, they will know where to change and where to expand. And to be an architect, UML is also an ess

One, Green UML plugin 1, view eclipse versionView the version of Eclipse that is installed on the current PC (Help-about Eclipse Platform), which is version 3.3.2.2. View the corresponding plug-in versionThen go to the website http://green.sourceforge.net/builds.html to view the corresponding green and GEF versions:It looks like Green3.0.0 and GEF3.3.3. Install Green 3.0.0Simply click on the 3.0.0 link in the above website. Unzip the downloaded Green-

English Reading of some special mathematical symbols + Plus sign; positive sign - Minus sign; minus sign ± Plus or minus plus and minus signs × Is multiplied by multiplication number Bytes Is divided by Division = Is equal to No. = Is not equal to No. Bytes Is equivalent to all equal sign Bytes Is equal to or approximately equalTo is equal to or

Unified Modeling Language (UML) also known as Unified Modeling Language or standard modeling languageI. The role of UML1. Ability to look at the structure, behavior, and function (requirements) of the system from different angles. 2. It is not enough to be able to think about the system at different levels of abstraction, but only the source code. Source code is a very granular internal structure that cannot be used to build complex systems. ii. defin

Class diagram, object diagram, role diagram: I. Basic Graph categories in UML:In UML 2, there are two basic graph categories: structure diagram and behavior diagram. Each UML diagram belongs to the two diagrams. The purpose of the structure diagram is to display the static structure of the modeling system. They include classes, components, and (or) object graphs. On the other hand, the behavior chart shows

There are many types of UML diagrams, only two of the most important and common-class and time series diagrams are discussed here. 1. Class Diagram through the class diagram, we can easily understand the code architecture, clarify the relationship between the modules, includes inheritance (inheritance), implementation (realization), dependency (dependency), composition (composition), Aggregation (Aggregation), Association (association), and so on. The

Label: style blog HTTP color ar SP strong on 2014 UML Overview Full name: Unified Modeling Language Chinese name: Unified Modeling Language Development History:"Started in 1997, an OMG standard is a graphical language that supports modeling and software system development. It provides modeling and visualization support for all stages of software development, from Requirement Analysis to specifications, to construct and configure. The development of

Classes may have the following relationships: Association, dependency, aggregation, aggregation, composition, and generalization, also known as inheritance), implementation (realization ). 1: Association refers to the relationship between two classes. For example, a customer and an order can only belong to one customer. A customer may have multiple orders. It can be divided into one-way and two-way directions. It can be divided into one-to-one, one-to-multiple, and many-to-many based on the corr

Easy introduction to UML (3)-SRP cook well, let others program, uml-srpA cook can make a good dish. Maybe he graduated from New Oriental or the secret recipe of his family. It is simple, happy, and efficient for you to let him cook a table of food. However, programming will become an annoyance and hard nut to crack. Maybe this metaphor is not very appropriate, but for every class, they are like an actor, ma

Three main elements of modeling: 1. Basic Construction blocks of UML; 2. Rules on how to put these constructor blocks together; 3. Some common mechanisms applied to the entire UML; The UML constructor consists of three types: A, thing B, relationship C, and diagram. Things: including "structured things", "behavior things", "grouping things", and "commenting thing

Niu Yun news system (I)-UML, database design, and news system umlNiu Yun news system (I)-UML and database designI. Initial Knowledge of the niuyun System Niu Yun (Brisket)That is, the beef abdomen and soft muscles close to the beef ribs refer to meat with tendon, meat, and oil Block. The meat in many places on the oX can be called the ox's meat. The point is that there are more meat, less oil, and even lea

Object-Oriented Software Engineering and UML, software engineering uml Basic concepts of Software Engineering Software Crisis The functions, scale, and complexity of a software increase, and the complexity of the software reaches the level that cannot be controlled by its developers. This situation leads to serious consequences: Software Reliability reduction, low development efficiency, and extremely diffi

To successfully develop a project, you need the correct processes, tools, and symbols (annotations ). In this article, the author explains how UML provides you with symbols and how the Rational Unified Process provides you with the correct process, and how Rational Rose provides you with tools for project success. What is visual modeling? Visual Modeling is a

operations of a class After adding a custom Javadoc tag that describes stereotype information in the Java source code, the benefit is not just to reduce the need for hand-written annotations, but also to make it possible for UML tools to process these tags and complete the following tasks: A more complete UML diagram from Java source code (in the case of no custom Javadoc marku

UML 2.The most important innovation in interactive modeling. The original sequence diagram is organized into a complex sequence diagram. Because of these, you can combine (reuse) Simpler sequences to generate more complex sequences. ThisIt means you can abstract a complete, possibly complex sequence into a single conceptual unit. An interactive component is drawn using a framework. The text "Ref" is placed in the namebox of the framework, and the ref

, so AddUser () The function prototype of a method can be defined as: public boolean addUser (userdto user), in Iuserdao's Method AddUser () takes the Userdto type object as a parameter, so Iuserdao and userdto have dependencies.From the above analysis, the example reference class diagram is shown in Figure 1:Figure 1 Registration function Reference Class diagramNote: When you draw a class diagram or other UML graphic, you can use annotations (Comment

age; private String Email; public void Modifyinfo () { ... }} In UML class diagrams, classes generally consist of three parts: (1) The first part is the class name: Each class must have a name, and the class name is a string. (2) The second part is the attribute of the Class (Attributes): The attribute refers to the nature of the class, that is, the member variable of the class. A class can have any number of attributes, or it can h

Folder: UML View Nine types of UML diagrams Relationships between classes in UML As described above, the UML view includes one or more diagrams in each view. This article focuses on the details of each UML diagram: 1. Use Case Diagrams) [Concept] describes user

Not many computer players have not learned much, but with the continuous development of the project, those who have never seen before, and those who have never used them are all about to start learning. Although I have heard of UML for a long time, I have never read this book and have never used this tool. The class diagrams of UML are also unknown. Basically, I don't know how to understand it. I haven't us

semantic information of UML class diagrams that cannot be directly stored in Java source code. Other Representation Methods As mentioned at the beginning of this article, angle brackets are the default method for displaying constructors. In fact, the constructor can also be represented by changing graphical symbols or shapes. The example in figure 4 shows two Constructor class. Cashier exploitatio