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first, the basic concept UML as a unified Modeling language, is a model of language, then the model is mainly used to represent, this time naturally generated UML diagram. UML mainly consists of basic building blocks, rules and public mechanisms, in which the basic building blocks consist of things, relationships and
. Lifeline) In the sequence diagram, the lifeline represents a dotted line extending down from the object icon, indicating the time when the object exists, as shown in Focusofcontrol) The control focus is the symbol indicating the time period in the sequence diagram. During this time period, the object will perform corresponding operations. It is represented by a small rectangle, such. Message) In the
aggregation is also called containment, but the life cycle of a subclass instance depends on the life cycle of the parent class instance, such as:The company is a whole entity, the company contains the department, the department cannot exist independently of the company. Represented with a solid diamond.Self-correlation (reflection Association) is the association itself, you may not think of the meaning of this existence, but you have to imagine that the class can be abstract, when a class is a
declared in the interface. In UML, the implementation relationship between a class and an interface is represented by a dashed line with a hollow triangle. Public interface Vehicle {public void Move (); } Public class ship implements Vehicle {public void Move () { ... }} } public class Car implements Vehicle {public void Move () { ... }} } staruml Usage Instructions-instruction manual Turn from: http://blog
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 diagram and
PHP and UML class diagrams PHPandUMLClassDiagrams. This short article is well written. it can be said that using PHP to explain UML (or conversely) is an innovation. through this article, I also found a good site: www.phppatterns.com. This short article on various UML techniques is well written. using PHP to explain UML
1, what is UML UML class diagrams can quickly examine code structures. 2. Theme The use of UML class diagrams in Pycharm. 3. Preparation work (1) Pycharm version is 2.7 or higher (2) Installing the Python Interpreter (3) UML Plug-ins and UML class
After reading the UML video, I want to start drawing documents. I don't know how to start! Let's summarize the nine types of diagrams and relationships in UML, and then start with the document. First. The nine types of UML diagrams are: use case diagram, class diagram, obj
This short article is well written. it can be said that using PHP to explain UML (or conversely) is an innovation. through this article, I also found a good site: www.phppatterns.com. The translation of various UML terms comes from the book I am reading, TheUnifiedModelingLanguageUserGuide. UML (UnifiedModelingLanguage) is a good short article. using PHP to expla
object. The third way to show only the object name does not show the class.Lifeline (Lifeline)A lifeline is represented in a sequence diagram as a dashed line extending downward from the object's icon, indicating the time at which the object existed, such asControl Focus (Focusofcontrol)The control focus is the symbol representing the time period in the sequence diagram, during which the object will run th
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 harvest summarized in this article, mainly on the use case diagram related knowledge.The use case diagram is the fir
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 field. Its scope is not limited to supporting object-oriented analysis and design, but also supporting the entire process of software development starting from r
This essay is good, the use of PHP to explain the UML (or conversely) can be said to be an innovation, through this article, I also found a good station: www.phppatterns.com. The translation of the UML terms comes from the Unified Modeling Language User Guide, which I am looking at. UML (Unified Modeling Language, Unified Modeling Language) is a mechanism for rep
Data Flow Diagram: A DFD, which graphically expresses the logical function of the system, the logical flow of data within the system, and the logical transformation process from the point of view of transmission and processing. Is the main expression tool of structured system analysis method and a graphic method used to represent software model.1 , DFDThe data flow diag
UML Dynamic Model diagram describes various aspects of system dynamic behavior, including use case diagram, sequence diagram, collaboration diagram, activity diagram and state
One. UML OverviewThe role of 1.UML: a complex problem decomposition B realizes the visualizationUML is created by rational company 2.UML is what: is a language, has its own standard expression rules, is an analytical design language, is also a modeling language 3.UML including five large views, 13 kinds of Figure five
Team member Participation Contribution ratio 031602406 Cheng (temporary leader) Entity Relationship Diagram Design 11 031602501 CAI Aerospace Entity Relationship Diagram Design 8 051501124 Wang Bin Class diagram Design 8 031602438 ye Yi
I,Description of the use case diagram Use Case (Use Case) Refers to the interaction between the system's external things (activists, devices, or external systems) and the system. It expresses the functions of the system, that is, the services provided by the system. A Use Case chart is a visualization tool used to describe use cases. It uses simple graphical elements to represent the system's activists,
. "When" is the answer, that is, how the development work is scheduled; 4. "Who" means that some development (or maintenance) work is intended to be done by "who? "· 5. "How" means how certain requirements are met; 6. Why? The above is the relevant content of the soft work document. Let's take a look at the relationship between the UML diagram and the document below: First, the
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
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