UML use case Diagrams: guidelines
Released: 2012-3-21
In Visual Studio flagship edition, you can draw a use case diagram to summarize the users of your
--A useful discussion on use-case model and its application
This is a discussion of use case model. How to build a use case model, how to write a use case description, what is the difference between it and the requirements specification, can it
Http://www.cnblogs.com/zhaolijing/archive/2013/02/28/2936321.html UML use case diagram-detailed tutorial
I. Definition of use case diagram:
ByActors and Use Cases)And the relationship between themDescribe system functionsThe dynamic view of is
I. Introduction to UML Use case modeling
Use case modeling is part of UML modeling, and it is the most basic part of UML. The most important function of use case modeling is to express the functional requirements or behavior of the system. According
Use case diagram is a diagram composed of the main character, use case, and the relationship between them. This figure shows the relationships in the use case model.
The use case diagram can be organized into the use case package, which is owned by
The last one said we had a preliminary business analysis and got the user, business use case and business scenario model. These three outcomes form the basic requirements framework and delineate the scope of the business. A baseline should be made
I found that today, almost Eminence Oo and UML, there are still a lot of system analysts who have a smattering of Oo and UML, and even many system analysts who have been using UML for a long time.
So I intend to write a series of articles, will be
Before we talk about how to build a use case model, what should be paid attention to when building a use case model?
Problems to be noticed in building use case model
To give you a few common problems in building use case models and principles to
A use case diagram OverviewThe so-called use case diagram is used to describe the user's needs, describe the function of the system from the user's perspective, and point out the performer of the function, emphasizing who is using the system,
Many of the most common causes of software project failures are focused on poor communication or lack of communication between "project key stakeholders". When there is a lack of alliances between development agencies and business advocates, it is
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
use case diagram.
composition: System boundaries. Participants. Case. Relationship.
Participant: Actor is not a person, but a role to play when participating in a use case.
If the action of one role is done by another role agent, establish a
Labels: soft test UML object-oriented
An important way for users to communicate with developers is to describe user requirements. Developers can understand the functions of the system from the perspective of users.
A Use Case chart has three main
Commonality: All of the common use cases are extracted from the public part of the information, as a separate use case, and then through the different methods to reuse the common use case, to reduce the workload of model maintenance.1. Include
first, UML use case diagram basic conceptUML Use-case diagrams: Dynamic views that describe the functionality of a system, consisting of actors "actors", use cases, and their relationships. Use case diagrams consist of actors, use cases, arrows, and
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
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
Turn from: http://blog.csdn.net/icu/archive/2006/03/07/617638.aspx preface
Now that RUP is at its zenith, demand analysis is the first step and can be seen as a prerequisite for advanced system analysts, so if you use object-oriented analysis
Let's talk about business rules first. The author is accustomed to dividing the business rules into three kinds.
One is the global rule, which is generally related to all use cases rather than to a particular use case, such as actor to manipulate
Uml-unified Model Language Unified Modeling Language, also known as standard modeling language. is a language used to visualize modeling software-intensive systems.There are three main models in UML system development:Functional Model: Display the
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