Unified Modeling Language (UML) use case diagramThe use case diagram describes a functional unit provided by the system. The purpose of the use case diagram is to help the development team understand the functional requirements of the system in a visual manner, including the relationship between "Roles" based on the basic process, and the relationship between use
make it clearer.
Architecture Modeling
Modeling the architecture (ProgramHierarchical) is a more meaningful use of the UML package diagram. Architecture is the core logical structure of a software system.
Common architecture modes include hierarchy, MVC, pipeline, blackboard, and microkernel. In application software, hierarchy and MVC
A package chart is a tool that keeps the system arc
The activity diagram is another common tool used by UML to model the dynamic behavior of the system. It describes the activity sequence and shows the control flow from one activity to another. An activity chart is essentially a flow chart. The activity diagram focuses on the control flow from one activity to another. It is an internal processing-driven process. T
Activity diagram, her English name is active Diagram, a workflow that describes the implementation of a business use case, which is one of the none of the diagrams used in the UML family to model dynamic aspects of the system.
To give a simple example, to build a work flow for example, first of all, we have to select an address, and then commissioned an architec
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 t
What is *modelgoon? It is an Eclipse plug-in for model design based on UML diagrams and reverse engineering (that is, from an existingSourcegenerate class diagrams, etc. for code analysis or document use). * Applicable conditionsModelgoon Current version is 3.0.0 for eclipse3.4+, including the latest version of Eclipse
Class)
Class (FigureIs an object blueprint, which contains three components. The first is the class name defined in Java. The second is attributes ). The third is the method provided by this class.
You can append a visibility modifier before attributes and operations. The plus sign (+) indicates public visibility. Min
SummaryThis article briefly analyzes and designs an example of a "Student Course Selection System" to illustrate the two functions and forms of a class diagram in a UML diagram, in order to clarify the misunderstandings and confusions that some friends may have on class diag
I was looking for a method that could automatically generate a UML class diagram. I checked it online for a long time and said it could be used in eclipse. Then I tried it:
1. The green UML 3.4 is downloaded first.
2. decompress the package to the
Preface
In Ooa and Ood, UML has been widely used in system analysis and design. In UML's 9 kinds of graphs, the class diagram is one of the most important and most commonly used graphs. However, in the chat with some friends, especially beginners, I found that many friends have some misunderstandings and puzzles about the function and the method of using the
Sequence diagrams are primarily used to show the order in which objects interact with each other.A sequence diagram represents an interaction as a two-dimensional graph. The vertical is the timeline, and the time extends downward along the vertical bar. The horizontal axis represents the meta roles of individual objects in collaboration. The class meta role is represented by a lifeline. When an object is pr
Sequence diagrams are primarily used to show the order in which objects interact with each other.A sequence diagram represents an interaction as a two-dimensional graph. The vertical is the timeline, and the time extends downward along the vertical bar. The horizontal axis represents the meta roles of individual objects in collaboration. The class meta role is represented by a lifeline. When an object is pr
Sequence diagrams are primarily used to show the order in which objects interact with each other.A sequence diagram represents an interaction as a two-dimensional graph. The vertical is the timeline, and the time extends downward along the vertical bar. The horizontal axis represents the meta roles of individual objects in collaboration. The class meta role is represented by a lifeline. When an object is pr
AMATERASUML is the best use of the Eclipse UML plugin, you can drag and drop Java source files, easily generate class diagram structure, while supporting the activity diagram, Time series diagrams and use case diagrams. Its official is: http://sourceforge.jp/projects/amater
Class diagram is used to describe the classes contained in the system and the relationship between them, to help people simplify the understanding of the system, it is an important product of the system analysis and design phase, but also the system coding and testing important model basis. Let's talk about the composition of the class
multiple links1Written by one party1, Write by multiple partiesN;
Multiple-to-many relationships are written in the direction of the two physical connections.N, m
UML:
The first use case diagram (Use Case digoal)
The second type is static digraphs, including class graphs, object graphs, and packet graphs.
The third type is the behavior
At the beginning of the painting is really tangled, at that time was forced to draw under the master, but it is also good, in the strong request of master, I learned how to use the EA, but also for a learning a new software has a better way to find some video, or text materials to help us learn to use the new software.Each time the drawing has a new understanding, after this and the regulation of the consolidation of software requirements have a deeper understanding, we have so many layers is to
AMATERASUML is one of the best eclipse UML plugins You can use to easily generate class diagram structures by dragging and dropping Java source files, while supporting activity diagrams, time series diagrams, and use case diagrams. Its official is:http://sourceforge.jp/projects/amateras/releases/#21568 , the latest is
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 dependency between the role and the other role.
How to identify the participants. who is providing information to the system? Who gets information from the system. Who operating system. What external resource sy
. For this long square lattice, I have never understood what it actually means. I encountered an open-minded explanation on "Baidu Encyclopedia:You can think of activation as a "{}",From the beginning to the end, it can be understood as a method, an action;
The lifeline is used to describe the time when an object exists. Add the destroy symbol below to delete the object or recycle the object. It is actually a Roman's dragon nest. When it's done, let's leave.
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