uml diagram lucidchart

First, the concept: Introduction to the basic concepts of UML: UML:UML (Unified Modeling Language) provides a unified, standard, and visual modeling language for object-oriented software design. It is suitable for describing the whole process of software design which is driven by use case and is architecture-centric. StarUML Use tutorial See http://blog.csdn.net/monkey_d_meng/article/details/5995610/ UML M

Most of the models in UML describe the logic and design information: Use Case chart to understand expectations Class diagrams can understand the Vocabulary (class and object) of the problem domain) The status chart, InterAction diagram, and activity diagram can be used to understand how the words in the class diagram a

UML modeling in nine kinds of diagram Plus package diagram, if it is written in a blog, it is easy to write a trouble, read it is not convenient, so borrow this blog as a directory to jump to the relevant blog. UML Modeling Detailed: Basic Concepts use case diagram Class

Original address: http://blog.csdn.net/zhuojiajin/article/details/8657853See the UML video, feel the UML content actually look very clear. When I started to paint, I found out that it was purely a teacher's job. Listen to understand or feel that you understand that it is just an illusion. For the UML diagram or underst

In UML, the implementation of use cases is specified and described using an interactive diagram. The interaction diagram shows the relationship between objects and the messages processed between objects to model the dynamic characteristics of the system. There are two types of interaction diagrams: sequence diagram and

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 system boundaries.STARTUML, the UseCase bar displays the following: Top to bottom: package, use case, actor, association, direct, generalization, dependency, in

In software systems, classes do not exist in isolation, there are various relationships between classes and classes, and UML provides different representations for different types of relationships.1. Related relationshipsAn Association (association) relationship is the most common relationship between a class and a class, and it is a structured relationship that is used to indicate that a class of objects is associated with another type of object, suc

Article Source: http://www.cnblogs.com/duanxz/archive/2012/06/13/2547801.htmlThe ways in which the relationships between objects and classes are described in UML include: Dependency (Dependency), Association (association), Aggregation (Aggregation), composition (composition), generalization (generalization), Implementation (realization) and so on. Dependent ( Dependency ): The change of element a affects element B, but the other is not, so the rel

transferred from: http://www.cnblogs.com/silent2012/archive/2011/09/07/2169946.html1. What is a class diagramClass diagram are mainly used to describe the structural design of a system. Class diagrams are also the most commonly used UML diagrams, with class diagrams showing classes, interfaces, and the static structure and relationships between them.2. Elements of a class diagramThe following model elements

UML diagram and code representation of class-to-class relationships Keywords:Oo uml, generalization, dependency, association, aggregation 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 a

UML Use case diagram Summary author: tianhai110 Published: 2012-01-30 15:33 read: 100,263 recommendations: 57 Original link [Favorites]Use case diagrams are primarily used to describe the relationship between users, requirements, and system functional units. It shows a model diagram of a system function that an external user can observe."Purpose": helps the devel

UML defines the following 5 categories, 10 model diagrams. The first class is the use case diagram, the use case diagram describes the function of the system from the user's point of view, and points out the operator of each function. The second category is static diagrams, including class diagrams, Object diagrams, and package diagrams. The class

that emphasizes the organizational structure between objects that send and receive messages. The following image is a process of machine down. Conclusion: The differences and connections between these graphs are very important. Sequence Diagram Collaboration diagram Same point: (1) are interactive graphs that represent interactions between objects, describe an interaction, consist of a set of

Baidu, look at the review good I collected, study, really do not understand!!!The first is to review the UML in the understanding of nine kinds of diagrams: http://xhf123456789plain.blog.163.com/blog/static/172880482201192222144421/Picture use case diagram: http://xhf123456789plain.blog.163.com/blog/static/172880482201192221826110/The following is an example of a class