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Author: Hu yinghui Ning sai Fei Source: IBM AbstractGood system analysis and design are the key to software project development. The rationality of Architecture Design often determines the success or failure of the project. This article describes the system modeling process based on UML and the method for implementing an object-oriented three-tier application system based on ASP. NET Based on the development of a project. KeywordsASP. NET; three-lay
1. What is UML? Unified Modeling Language (UML) is a Language used for Visual Modeling of software-intensive systems. UML is a standard language used to describe, visualize, and document products of object-oriented development systems. Ii. Background Knowledge The purpose of UML is to become a standard unified language
Whether you like it or not, Software Diagrams such as the Unified Modeling Language (UML) model and use case model often determine their quality based on their appearance. Neat charts are more favored by readers-often your users or senior managers-than messy ones. I would like to describe several important empirical rules that will make you better than other modeling colleagues. These simple but key suggestions mainly focus on the boxes and lines t
ObjectiveMost of the UML describes the logic and design of the information. The implementation diagram is used to describe the realization of the narrative information. The implementation diagram contains a deployment diagram and a component diagram.Component diagram1. ConceptComponent diagram describes the main functions of a system from the perspective of software architecture. such as subsystems, classes, packages, components. Used to show the rela
In This article, we focus on UML time series diagrams, which include modeling elements in the main sequence diagram: Objects (Actor), lifelines (Lifeline), Focus control (Focusofcontrol), messages (message), and so on. First, the UML sequence diagram Brief introduction (Briefintroduction)time series diagrams (Sequencediagram) are graphs that display the interaction between objects, which are arranged in
Objectiveclass diagrams and sequence diagrams are two of the most commonly used diagram in UML. I will make a detailed summary. In many books, or Web sites, when introducing the design of a subsystem of a system, many times, a simple class diagram is given to describe the relationship between the classes that make up the subsystem. This is sufficient to illustrate the importance of class diagrams. The basic understanding of the class diagram has the f
This semester is lucky to choose to chapter Teacher's UML Fine Course, although to present only class two weeks, but the income is shallow. Although in the undergraduate contact with the UML, but do not have a very detailed understanding of it, but some of the names of some of the figures have been heard, did not delve into its function.On the recent knowledge, talk about my general understanding of
Converting a Java project into a clear UML class diagram makes it easier for us to understand the project structure and dependencies between modules. This article describes six open-source tools that can reverse engineer Java projects to UML class diagrams. 1.Eclipse MDT Model Development Tool (MDT) provides some exemplary tools and development models based on the meta-model. It supports creating
physical design details, such as storage allocation and physical aggregation, because they are dependent on the product. There are two aspects to implement UML model with relational database: Mapping structure (2nd section) and Mapping Function (section 3rd). The 4th section notes the extension of object-oriented to relational databases. The 5th section summarizes this article. 2. Structure map to Table The UM
1. Preface The Design of functional modules is required for projects recently. The customer shall refer to the UML diagram for design materials. However, after so many years of dealing with the Japanese, I have forgotten what a UML diagram is and I have no choice but to check the materials from the beginning. So I made such a piece of information and told you how to learn
Modeling New semanticsNew Semantic Modelingwhen you create a model using UML, you Work within the rules of the UML lays down. That " s a good thing, because it means that's can communicate your intent without ambiguity to anyone else Who knows what to read the UML. However, if you find yourself needing-express new semantics about which the
This article describes 12 excellent UML tools: 1. staruml Staruml (SU) is a tool used to create UML class diagrams and generate class diagrams and other types of Unified Modeling Language (UML) charts. Staruml is a fast-growing, flexible, and scalable open-source project (zj ). 2. netbeans UML plugin Currently suppor
· UML Introduction Unified Modeling Language (UML) is a common visual modeling language used to describe, visualize, construct, and create software system products. It records the decisions and understanding of a system that must be constructed and can be used to understand, design, browse, configure, maintain, and control the system. UML is applicable to var
Design of dining card System Based on UML SummaryUML is an object-oriented visual modeling language. This article briefly introduces the basic functions and design ideas of the dining room dining card system, combined with this example, the system development in the application field based on UML and the internal relationship between various UML diagrams are exp
Every time I start to learn a new course, I will always pick up a book called the basics of ×××. Of course, the journey of a thousand miles begins with a full step. Let's first learn the basics of UML. In the book "UML basics and Rose modeling", the UML overview is mentioned in the second chapter. The first chapter is about object-oriented. From the very beginni
Labels: UML Visualization UML, full name: Unified Modeling Language, unified modeling language. It is a standard modeling language for software and system development. It mainly analyzes and designs the system in a graphical manner. At the same time, UML is neither a programming language nor a formal language, but a visual modeling language. From the diagram, we
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 and application code example:
Tags: blog HTTP Io ar OS SP data Div on Http://www.uml.org/First, UML-Unified Modeling languageuml defines nine types of diagrams, including four types of structure charts and five types of diagrams:// Four types of structure chart:Class DiagramObject GraphComponent DiagramImplementation Diagram// Five behavior diagrams:Usage DiagramSequence ChartCollaboration DiagramStatus chartActivity diagram article: deeply analyzes which
Labels: UML, nine types of graph analysis UML, as a design tool, focuses on practice, and this is inseparable from nine types of diagrams. drawing is done after watching the video. When I first started to draw a picture, my head was broken, I don't know where to start, so I learned the relationship between the nine images and the four types of graphs again before drawing the picture. I finally got a bit of
UML describes the relationship between objects and classes by dependency, association, aggregation, composition, and generalization ), implementation. Dependency(Dependency): Element A changes will affect Element B, but vice versa. The relationship between B and A is dependent on; similarity and implementation relationships are also dependency in semantics. However, they are described separately for their special purposes. In
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