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Comparison of UML modeling tools Visio, Rational Rose, and powerdesignRose is a design tool born directly from the Development of UML. It was designed to support UML modeling. Rose did not support database modeling at the beginning, however, the database modeling function has been added to the current version. Rose is mainly used to describe various semantics, mo

In this paper, from the problems of UML modeling coherence, taking management software development as an example, according to three aspects of upstream, downstream and model internal relations which are connected with UML model, the author analyzes the three barriers caused by UML modeling, and hopes to discuss with many modeling enthusiasts. In the country's p

the participant, it can be considered a generalization relationship. The generalization relation is the inheritance relation between the general class and the special class. Cars and ships, for example, have a generalized relationship with transportation. They belong to the same means of transport, with their own characteristics.Use cases and use cases: there are generally generalizations, inclusions (uses), and extensions.Use case generalization: a use case can be specifically enumerated as on

· UML goals The development of UML has multiple goals. First, the most important goal is to make UML a general modeling language available for all modelers. It is not someone's proprietary, and is based on the general consent of the computer industry, that is, it includes a variety of major methods and can be used as their modeling language. At least, we wan

including a motorcycle) collides with the platform, it is deemed to have died. 8. Players can use the keyboard to manipulate the horizontal movement of the motorcycle (acceleration and brakes) 9. Players can use the keyboard to manipulate the rotation of motorcycles in the air (clockwise and counterclockwise) 10. Players draw tracks in the game world with their mouse and are considered as platforms (on which to drive) 11. Within a level, the length o

Reprinted please indicate the source and the author contact: http://blog.csdn.net/mimepp Contact information: Yu Tao See a good free UML tool, Jude community (free UML modeling tool), Java and UML developers' environment.Http://jude.change-vision.com/jude-web/index.htmlRegister an email on its official website. After the email is activated, you can download i

process: use case diagrams.Use case diagrams can express the needs of the system from a relatively clear starting point, and do not involve technical terminology. Use case diagrams and other UML work together to be efficient. It focuses on the diagram of what role can be done by a system, and the use case diagram focuses on the external performance of the system, the interaction of the system with the human, and the interaction of the system with oth

state. If the account balance is less than 0 to enter the overdraft status, overdraft status can be both deposits and withdrawals, but the overdraft amount can not exceed 5000 yuan, if the balance is greater than zero to enter the normal state, the normal state can be both deposits and withdrawals, if the continuous overdraft for 100 days, then into the frozen state, The frozen state can neither deposit nor withdraw money, must require the bank staff to thaw. Users can request to log out of an

Original article: http://www.cnblogs.com/way-peng/archive/2012/06/11/2544932.html 1. What is UML? What is the purpose of UML? Ii. History of UML Iii. UML superstructure) Iv. UML modeling tools V. UML diagram(Important)

AggregationAggregation is a special type of association that describes the "overall to local" relationship. Aggregation is divided into:Basic AggregationAndSynthetic AggregationBasic Aggregation:Basic aggregation is generally also known asAggregation (Aggregation). In a basic aggregation relationship,partial Class (B)'s life cycle is independent ofOverall Class (A)'s life cycle. This is a general-purpose aggregation relationship, and is aweak to haveRelationship, a pair of images can contain one

Directory (?) [-] UML Component Diagram Component Diagram What is the component how to read the component diagram how to draw the Component Diagram Application explanation This chapter summary http://terryfeng.iteye.com/blog/524353 Overview The component diagram (Component Diagram) describes the various components of the software and their dependencies. Component diagrams typically contain 3 elements: comp

Today, we finally started using UML for project analysis, and found that the time overhead for using UML is not as high as we previously thought. Review the experience of using UML is always intermittent. To sum up, there are the following factors: No environment using UML No abstract analysis habits In

Machine Room reconstruction Drawing is a very important stage, the machine room is reconstructed before also painted UML diagram, but this time and the last time, this time have layered thinking inside.Package DiagramBefore the three layers of the time between the transmission is clear, package diagrams is also easy to draw out, first look at the previous three layers of package diagram. The input informati

UML is popular for its diagrammatic notations. We all know that UML are for visualizing, specifying, constructing and documenting the components of software and non SOFTW is systems. Here the visualization are the most important part which needs to being understood and remembered by heart.UML notations is the most important elements in modeling. Efficient and appropriate use of notations are very important

Preserve stereotype in Java programs UML has a series of mechanisms that can be used to extend its core concepts, but perhaps the most familiar one is stereotype. Stereotype is generally translated as a "stereotype", which is a modeling element of the extended meta-model semantics. Stereotypes must be based on a specific existing type or class in the Metamodel. Stereotypes can extend the semantics of existing types and classes, but they cannot alte

PowerDesigner UML Introduction (Part II) Author: Sybase, Inc. powerdesigner product manager David Dichmann In the BluePrint #4 (an electronic version of access to Http://www.sybase.com/blueprint for previous issues), we explored 5 UML diagrams: Use case diagrams, Sequence diagrams, activity diagrams, class diagrams, and component diagrams to help you master the requirements of your system, Design its physi