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Object-oriented Requirement Analysis-use case diagram and activity diagram

Object-oriented software development methods include: A, object-oriented analysis (OOA) B, object-oriented design (OOD) C, object-oriented implementation (00i) d, the main steps of object-oriented testing (OOT), E, and object-oriented maintenance (OOM) are as follows. Next we will learn the related diagrams of UML from the object-oriented perspective. This section describes the use case diagram and Activity

UML diagram implementation Diagram

Through the static diagram and behavior diagram introduced in previous blogs, we can use UML to describe the static structure and dynamic behavior of a system. At this time, we have alreadyGraphical representation of the entire structure of a typical Surface-to-face object system. At this point, the software development stage has reached the implementation s

UML diagram-behavior diagram

System Modeling must be described in terms of system structure and behavior,Static diagram based on the previous UML diagramBlog learning, we canDrawStatic structure of software systemsIn this case, how should we deal with its behavior activities? This article will be used hereArticleInvolvedUMLThe behavior graph is displayed. A behavior diagram is used to d

Softwares-Data Flow Diagram (DFD diagram)

The basis of software requirement analysis: the model analysis method. The structured analysis method is applicable to the demand analysis of data processing software. It provides the following modeling tools: data flow diagram, data dictionary, machine learning English language, decision table, and decision tree. The usage and method of DFD

Package Diagram introduction and common operations of package diagram in rational

Package Diagram introduction and common operations of package diagram in rational Package chart Introduction 1. Definition: group model elements and provide a namespace for the elements in the group. 2. role: it is easy to understand complex systems and control the connections between various parts of the system structure. Logically, you can modularize a complex diagram

Use case diagram of UML9 diagram (i.)

Use case diagram is used in the requirement Analysis stage, describes the functional requirements of a system to be developed, the use Case view emphasizes the function of the system, and is the first design view of the software development design process. It describes the user's snowball from the user's point of view, describing the function of the system, and pointing out the performer of each function an

Design the PLC ladder diagram based on the circuit diagram of the relay

PLC uses a ladder chart language that is extremely similar to the circuit diagram of the relay. If PLC is used to transform the relay control system, it is a shortcut to design a ladder chart based on the relay circuit diagram. This is because the original relay control system has been used and tested for a long time and has been proved to be able to complete the control functions required by the system. Th

Nine types of diagrams and drawing techniques in UML-sequence diagram and collaboration Diagram

Various diagrams in UML are an important part of the UML model. In recent articles, I will introduce nine important diagrams in UML. The general content is shown in the following directory. 1. use case diagram, class diagram, and object Diagram 2. Sequence diagram and collaboration

Use php class diagram drawing tool -- phuml to build the class diagram of the project

Use php class diagram drawing tool -- phuml to build the class diagram of the project Yesterday, I occasionally searched for the tools used to create UML class diagrams on the Internet. I was planning to create a class diagram for the statusnet project myself (maybe I should have underestimated the workload ), so I got a windows version of VP_suite 4.2 and tried

UML diagram detailed (ii) use case diagram __uml

first, the concept use case diagram (Diagram): Primarily used to describe the behavior of systems and the relationships between functions, is a graph that describes the relationship between participants (Actor) and use cases, and use cases and use cases. Use case diagram = actor + use case + Relationship II, use use case dia

Knowledge understanding of Kingview, ladder diagram, unity and Ladder diagram

1. Must be run in Botulu software Step7, Configuration king and unity to communicate with PLCMust be run in Botulu software Step7, Configuration king and unity to communicate with PLC2. The Configuration king and unity cannot read and write the PLC data because of this setting.3. Add a dense ladder diagram to the PLC, and then want to download a new program, you

Python design mode-UML-component diagram (Component Diagram)

Tags: kinds of access Interactive. COM program code run Agent execution map Brief introduction Component diagrams, also known as building diagrams, are used to display physical views of the system's components and the relationship of each component. Component diagrams typically include components, interfaces, relationships, ports, and connectors to display dependencies and generalization relationships between corresponding modules, source files, or collections of source files in program code. C

Ssential Diagram for Windows formsc#/winform diagram of a Visio-like topology node wired controls free download

on the layer Provides a layout grid to help developers quickly locate and place symbols Provides a property editor for selecting nodes Supports serialization and loading and saving files in binary and SOAP formats Support for undo and redo operations Controls provide a variety of editing tools: alignment, layout, move, rotate, selection, text formatting, panning tools, stacking order Control provides a script editor that users use to define complex behaviors or actions Node labels

Diagram of UML modeling

Original: http://www.cnblogs.com/way-peng/archive/2012/06/11/2544932.htmlFirst, what is UML? What's the use of UML?Ii. History of UMLThird, the upper structure of UML (superstructure)Iv. UML Modeling ToolsV. Diagram of UML (emphasis)1. Case diagram (use cases diagram)2. Activity diagram (Activities

uml--sequence diagram and collaboration diagram

Main content: 1. Sequence diagram and collaboration diagram. 2. Drawing (computer room charge system). 3. A simple relationship between two diagrams. Body: 1. Sequence diagram and collaboration diagram Sequence diagram (1) Understanding the sequence

Software Engineering-Software Quality Control, software architecture, and comprehensive software development experience

implement? (after confirmation, the customer needs to sign and add or change requirements will be charged !! ^ V ^) Second, the order of importance for each function Third, the meaning of each function Fourth, a detailed description of each function. Is this clear, not that? The most important thing is not that! Fifth, use case diagram (the first diagram in UML) to determine Sixth, the

UML Modeling Timing Diagram (Sequence Diagram)

Introduction of Timing Diagram (Brief introduction) time series diagrams (Sequence Diagram) are graphs that display the interaction between objects, which are arranged chronologically. The sequence diagram shows the sequence of message interactions between the objects participating in the interaction and their objects. The modeling elements included in the time s

UML Modeling Learning 4:uml basic building block diagram

: Describes the workflow of the business implementation use case.3.2 State diagram: is a state-to-state control flow that is often used to model dynamic properties.4. Interaction diagram: Describes the interaction between objects, including sequence diagrams and collaboration diagrams.4.1 Sequence diagram: A dynamic partnership between objects that emphasizes the

UML sequence diagram (sequence diagram) sequence DIAGRAM_UML

1. What is a sequence diagram is an interaction diagram that emphasizes the time order of messages. A sequence diagram describes the interaction between classes and classes in a class system, and it models these interactions as message exchanges. A sequence diagram is a model that describes how objects collaborate over

STM32F429 LTDC driver diagram, stm32f429ltdc Diagram

STM32F429 LTDC driver diagram, stm32f429ltdc Diagram This article is based on the official ST demo Board STM32F429 Discovery hardware platform and explains the main parameter configuration of LTDC in the form of a picture. The Code mentioned in this article is taken from another article, "LTDC code template of STM32F429". The LCD hardware is 240x320, and the driver IC is ili9341. The purpose of this article

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