how to use case

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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

OO System analyst Path--use Case Analysis Series (4)--general steps and methods of business modeling

Before the start of this chapter, the commercial application system development has gone through three stages: The first stage takes the computation as the center, the analysis design revolves the program The running efficiency, the algorithm

Beef Brisket Press Release system--use case diagram knowledge, restudying

IntroductionBeef Brisket News Release system looks very feel, a line of feeling, after all, this is a system implementation of the tutorial, including a variety of details, although just looked at 10 episodes around, but deeply by the beef brisket

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

The UML use case diagram contains three types of relationships: (include), (extend), and (generalization ).

Commonalities: the common information is extracted from the existing use cases. As a separate use case, different methods are used to reuse this public use case, to reduce the workload of model maintenance. 1. include) Inclusion relationship: Use

UML2 Use Case chart operation instructions

1. Use Case Model Based on UML2 standards The Unified Modeling Language (UML) is a visual Modeling Language that is easy to express and powerful. It is a well-defined standard Language suitable for common businesses. Currently, UML2 standards are

The UML use case diagram contains three relationships: extended and generalized.

Commonalities: the common information is extracted from the existing use cases. As a separate use case, different methods are used to reuse this public use case, to reduce the workload of model maintenance.1. Include) Inclusion relationship: Use

Use-Case View)

I. Overview Ii. Glossary 1. Extended relationship of Extends Use Cases 2. Include case inclusion relationship 3. Role) Iii. How to draw the Use Case View 1. Create a project 2. Create a Use Case View 3. Use Case view based on business needs Iv.

What are the relationships in use case diagrams and class diagrams

Relationships in use case Diagrams (association), Generalization (generalization), include (include), extension (Extend). " in the class diagram, the following relationships are common: generalization (generalization),   implementation (realization),

How to Write use case

What is use case The writing of case description documents is a reflection of the deep understanding of user requirements by system analysts. It is an important basis for later time sequence diagrams and actual development. It can also be used as a

Nine requirements use case analysis: Sequence diagram

Author: Zhang Keqiang author Weibo: Zhang Keqiang-Agile 307 Sequence diagram, also known as time series diagram, sequence diagram, English name sequence Diagram. In the Jacobson use case analysis approach, it is encouraged to express using a

Relationship between Use Case charts and class charts

UMLUse case diagram  The use case diagram mainly uses a diagram to represent the main event process of the system. It is mainly used to describe the customer's needs, that is, the user wants the system to complete certain functional actions, the

On the use case diagram of UML learning notes

Recently has been learning the basic knowledge of UML, after watching the video, and did not have a good summary, in the process of drawing found a lot of problems, the following is the process of reading their own summary of the UML use case

The use case diagram of system analysis and design

The need for each product is a description of a specific problem in the real world, and some of the problem descriptions can be very intricate, so that when we analyze it, we feel we are not able to do it or even get overwhelmed. Demand analysis is

PowerDesigner (eight)-object-oriented model (use case diagram, Sequence diagram, class diagram, generate Java source code and Java source code generation class diagram)

Object-oriented modelObject-oriented model is a model that uses UML (Unified Modeling Language) to describe the system structure, and it realizes the working state of the system from different angles. These graphs facilitate information exchange

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

uml-use case diagram __ Granularity

I. Elements: 1. Roles, use cases (function description), relationships (generalization, dependencies, associations, implementations) 2. Element meaning: Actor 1. Can be a person, a thing, an object2. Analyze role considerations:

Enterprise Architect Learning use case diagram

Use case modelThe use case model is used to document the requirements of the system, which provides a means of communication between the system and the user and other participants.PerformerUse case diagrams show the interaction between systems and

Use Case capture requirements

This article is from my PPT that provides case training. This article includes1. Basic concepts of Use Cases2. Functions of Use Cases3. Where to find use case clues4. How to discover Use Cases5. Guidelines for writing Use Cases6. How to determine

OO System analyst Path--use Case Analysis Series (8)--How to write a complete UML requirement specification

Finally, it's almost over. This will be the last of the use Case Analysis series, resulting in the requirement specification to end the requirements analysis process. After seven previous jobs, we get the business use case model from the initial

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