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interface of vehicles2. Engine assembled into cars, car radios converged into cars3. Taxis are inherited from automobiles4. The taxi and the driver are many to many two-way correlation relations, the driver one-way correlation driving licence (one driver holds a driving licence)5. Drivers rely on onboard WiFi Use case diagram example
, you should useRoleMark. Role tags are similar to instance tags. To create a role model for a class, you can draw a square and place the role name and Class Name of the class inside as the entity mark, but in this case, you cannot underline it. Note: A significant difference between a role diagram and an object diagram is that each object name in an object
Use case diagram The use case diagram describes a functional unit provided by the system. The purpose of the use case
Http://www.uml.org.cn/oobject/200901203.asp UML practice-use case diagram, sequence diagram, state diagram, class diagram, package diagram, and collaboration
The key to dealing with object-oriented problems is modeling. Modeling can abstract many important details in the complex world. Many Modeling tools encapsulate UML (that is, uniied Modeling Language ). There are nine types of modeling icons in UML: Use case diagram Class Diagram Object Graph Sequence Chart
The key to dealing with object-oriented problems is modeling. Modeling can abstract many important details in the complex world. Many Modeling tools encapsulate UML (that is, the Unified Modeling Language). This course aims to show the highlights of UML. There are nine types of modeling icons in UML: Use case diagram Class
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9. use case diagram: 1. Definition: a dynamic view composed of actors, use cases, and their relationships used to describe system functions is called a use case diagram. 2. Composition:
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 between users, managers, system analysts, developers, testers, and other personnel. This article mainly introduces use case di
Object-oriented model Object-oriented model is a model that uses UML (Unified Modeling Language) to describe the system structure, which realizes the working state of the system from different angles. These graphics help communicate information between users, managers, system analysts, developers, testers, and others. This article mainly introduces use case diagram
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 relation
parameters can not increase or decrease. Although it is sometimes permissible to add new operations, the semantics (or behavior) of the operation should remain the same.Implementation--The implementation of the component can be arbitrarily changed according to the underlying database, algorithm (such as sort) used, as long as the behavior of the customer's concern is not affected, and can even be written in different programming languages.Use case di
Class diagrams and sequence diagrams are directly associated with program code in software system design. To be precise, program code is directly generated by class diagrams, A Sequence Chart can define a class chart method. The use case diagram is used to describe system functions and has no direct relationship with the sequence
Objective:If your UML diagram is still a use case diagram, please keep looking, if you do not know the relationship between the business analysis diagram and the activity diagram, please continue to look, if your computer room is
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 u
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 function of the system from the user's point of view, including use case diagram.Object model: Using the concepts of object, attribute, operation and correlation
In the previous article "UML System Analysis and Design 02-use case diagram and activity diagram (I)", we mainly explained the use case analysis and drawing methods and techniques in requirement analysis, however, the
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
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
From the above use case diagram model, we can get a general idea of what the use case diagram describes. The following is a detailed introduction. The use
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