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Process Type
Graphical expression
Mind Type
Structured expression
Note Type
Efficient expression

Online UML modeling software

UML diagram is a standard language for visual modeling of software-intensive systems, used to describe the structure, behavior and interaction of the system. ProcessOn can draw 14 types of UML diagrams online, including sequence diagrams, class diagrams, use case diagrams, activity diagrams, state diagrams, etc. It supports AI to generate UML diagrams in one click, and there are also a large number of high-quality UML templates for cloning, so it is stress-free to get started.
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Online UML modeling software

Use Case Diagram

Describes system functions from the user's perspective, including system participants, use cases, and the interactions between them. Used to analyze high-level system requirements.
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Use Case Diagram

Timing diagram

Describes the interactions between objects in the system, emphasizing the time sequence in which the interactions occur. Used to show how objects interact with each other.
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Timing diagram

Class Diagram

Describes the static structure of classes in the system, including class attributes, methods, and the relationships between them (such as inheritance, association, dependency, etc.). Used to have a comprehensive understanding of the system before writing code correctly.
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Class Diagram

Activity diagram

Describes the business processes of a system and the control and data flow relationships between processes. Used to represent a series of sequential or parallel activities.
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Activity diagram

Statechart

Describes the life cycle of objects in the system, including the states of the objects and the conditions for transitioning between states. Statechart diagrams help understand the behavior of objects in different states.
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Statechart

Collaboration diagram

By paying attention to the access relationships between objects, you can clearly see which objects have message passing.
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Collaboration diagram

Deployment diagram

Describes the hardware structure of the system, including the system nodes (such as computers, devices, etc.) and the communication relationships between them. Used to model the physical deployment of the system.
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Deployment diagram

Object Graph

It shows the relationship between objects at a certain moment, reflecting the static process of the system. It is used to describe the specific situation of the system at a specific moment, especially the objects and their relationships.
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Object Graph

Component Diagram

Describes the physical structure of the system, including the system's software components and the relationships between them. Used to model software components and their relationships to each other.
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Component Diagram

Package Diagram

A combination of model elements represented by a symbol similar to a folder. It is used to describe the organizational structure of packages in the system and the elements contained in the packages and the dependencies between them.
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Use Case Diagram