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UML Tool & UML Diagram Examples

Types of UML Diagrams

UML or Unified Modelling Language can be at any time applied in different spheres of business activity, such as finance, internet technologies, banking, healthcare, aerospace and other business activities. This language is an accepted standard and this standard can be used for modelling any needed system. There are lots of notations you can use for making any needed UML diagrams. These notations can be made for visual representation of any needed subsystems, requirements, physical and logical elements, behavioural and structural patterns, as they are especially relevant to the systems built during using a so-called “object-oriented” style.

The Unified Modelling Language (UML) is a standardized and general-purpose language and it is very popular and quite widely used, especially in the field of software engineering in IT. This Unified Modelling Language includes a set of some graphic notation techniques for creating the visual models of object-oriented software-intensive systems. There are thirteen types of such UML diagrams and you can always create any of them in ConceptDraw DIAGRAM software. These types of UML diagrams are: “package” (or “class”), “collaboration”, “object”, “use case”, “sequence”, “component”, “activity”, “deployment” “state machine”, “timing”, “interaction overview” and “composite structure” UML diagrams. Each of the types of Unified Modelling Language will be described later in this article.

Thus, Unified Modelling Language “Class” diagrams are the static structure diagrams, with the help of which you can describe a structure of some system in a way of showing the system's methods, classes, attributes, operations as well as the relationships among the objects within this system. The so-called Unified Modelling Language “Package” diagram can be used in the Unified Modelling Language for a reason of depicting the dependencies between the packages that can make a particular model. The so-called Unified Modelling Language “Object” diagrams are popular for being used in the Unified Modelling Language (UML). Unified Modelling Language “Object” diagrams show a partial or a complete view of a system’s structure within some specific period of time. The so-called Unified Modelling Language “Use Case” diagrams can be the representations of a user's interaction with some system and with their aid you can depict some particular specifications of a use case. The so-called Unified Modelling Language “Sequence” diagrams are also known as interaction diagrams with the help of which it is simpler for you to show the way some particular processes operate with each other and in which order they do it. The UML “Communication” diagrams model the interactions between different parts in terms of sequenced messages. “Communication” diagrams represent the information from “Use Case”, “Class” and “Sequence” diagrams, describing the dynamic behaviour and the static structure of some system. The UML “Activity” diagrams are the representations of the workflows of the actions as well as the activities with an iteration, choice and concurrency. In the Unified Modelling Language “Activity” diagrams there are models of both organisational and computational processes (for example, workflows) represented and this type of UML diagrams in general represents the overall flow of the control. With UML “Component” diagram you can depict the way some system components are wired with each other and so to form the larger components of software systems or software systems themselves. These diagrams are used for illustrating the structure of arbitrarily complex systems. The UML “Deployment” diagrams can be used for modelling the physical deployment of the artifacts on nodes. The nodes with the artifacts appear in a way of boxes and the artifacts in each node appear in a way of the rectangles in these boxes. These nodes can also have sub-nodes and these sub-nodes can appear in a way of the nested boxes. One single node in the UML “Deployment” diagrams can represent a lot of different physical nodes. The UML “State Machine” diagrams can be used for enhancing the mathematical concept of some finite automaton once it is used in some computer science applications. The UML “Timing” diagrams are quite specific and still interaction diagrams. They are used for concentrating on the timing constraints. The UML “Timing” diagrams can be also used for exploring the behaviour of objects within some particular period of time. With the aid of the UML “Interaction Overview” diagram you can illustrate a control flow with nodes which contain the interaction diagrams. The UML “Interaction Overview” diagrams are identical to the “Activity” diagrams and they both visualize a sequence of some activities, although there is a slight difference between them. The UML “Composite Structure” diagrams are similar to the “Static Structure” diagrams and with their help you can show the internal structure of a class so the collaborations, which this structure makes possible. While creating the UML “Composite Structure” diagrams you can include the internal parts, with the help of which the parts of some system can interact with each other.

You can always create any of mentioned and described above Unified Modelling Language diagrams with the aid of ConceptDraw DIAGRAM software. Besides downloading the ConceptDraw DIAGRAM application, it is also beneficial to have ConceptDraw STORE one as well, as this another product of “CS Odessa” allows ConceptDraw DIAGRAM users to download any solution they need for making your charts, flowcharts, maps and diagrams, schemes and plans, as well as any of the mentioned above UML diagrams at any time you need to create them.

“Rapid UML” solution enables you to make any of the Unified Modelling Language diagrams, using so many different examples and templates from this solution for simplifying ConceptDraw DIAGRAM users' work of creating similar great looking diagrams.

UML Notation


Pic.1. UML Notation

Solution RapidUML from Software Development area of ConceptDraw Solution Park provides templates, examples and 13 vector stencils libraries for drawing all types of UML 1.x and 2.x diagrams using ConceptDraw DIAGRAM diagramming and vector drawing software.

Use these UML diagram templates and examples to quickly start drawing your own UML diagrams.


Package Diagrams

UML Package Diagram illustrates the functionality of a software system.


Collaboration Diagrams

UML Communication Diagram depicts the interactions between objects or parts in terms of sequenced messages and describes both the static structure and dynamic behavior of a system.


State Machine Diagrams

UML state machine's goal is to overcome the main limitations of traditional finite-state machines while retaining their main benefits.


Timing Diagrams

UML Timing Diagram as special form of a sequence diagram are used to explore the behaviors of objects throughout a given period of time.


Class Diagrams

Class Diagrams describes the structure of a system by showing the system's classes, their attributes, and the relationships among the classes


Object Diagrams

UML Object Diagram shows the structure of a modeled system at a specific time.


Composite Structure Diagrams

UML Composite Structure Diagram shows the internal structure of a class and the possible interactions at this structure.


Interaction Overview Diagrams

UML Interaction Overview Diagram schematically shows a control flow with nodes and a sequence of activities that can contain interaction or sequence diagrams.


Use Case Diagrams

Use Case Diagrams describes the functionality provided by a system in terms of actors, their goals represented as use cases, and any dependencies among those use cases.


Sequence Diagrams

Sequence Diagrams shows how objects communicate with each other in terms of a sequence of messages. Also indicates the lifespans of objects relative to those messages.


Activity Diagrams

Activity diagram describes the business and operational step-by-step workflows of components in a system. An activity diagram shows the overall flow of control.


Component Diagrams

UML Component Diagram illustrate how components are wired together to larger components and software systems that shows the structure of arbitrarily complex systems.


Deployment Diagrams

Deployment diagram describes the hardware used in system implementations and the execution environments and artifacts deployed on the hardware.


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Pic 2. UML use case diagram template. Ticket processing system


The following features make ConceptDraw DIAGRAM the best UML Diagram Software:

  1. You don't need to be an artist to draw professional looking diagrams in a few minutes.
  2. Large quantity of ready-to-use vector objects makes your drawing UML diagrams quick and easy.
  3. Great number of predesigned templates and samples give you the good start for your own diagrams.
  4. ConceptDraw DIAGRAM provides you the possibility to use the grid, rules and guides. You can easily rotate, group, align, arrange the objects, use different fonts and colors to make your diagram exceptionally looking.
  5. All ConceptDraw DIAGRAM documents are vector graphic files and are available for reviewing, modifying, and converting to a variety of formats: image, HTML, PDF file, MS PowerPoint Presentation, Adobe Flash, MS Visio.

    uml class diagram - export

  6. Using ConceptDraw STORE you can navigate through ConceptDraw Solution Park, managing downloads and updates. You can access libraries, templates and samples directly from the ConceptDraw STORE.

    uml class diagram solution

  7. If you have any questions, our free of charge support is always ready to come to your aid.




NINE RELATED HOW TO's:

Jacobson Use Cases Diagram →

The vector stencils library UML Use Case contains specific symbols of the UML notation such as actors, actions, associations and relationships for the ConceptDraw DIAGRAM diagramming and vector drawing software. This library is contained in the Rapid UML solution from Software Development area of ConceptDraw Solution Park.Jacobson Use Cases Diagram *
Picture: Jacobson Use Cases Diagram
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Diagramming Software for Design UML Object Diagrams →

UML Object Diagram shows the structure of a modeled system at a specific time. ConceptDraw Rapid UML solution delivers libraries contain pre-designed objects fit UML notation, and ready to draw professional UML Object Diagram.Diagramming Software for Design <br>UML Object Diagrams *
Picture: Diagramming Software for Design UML Object Diagrams
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For documenting the Cloud Computing Architecture with a goal to facilitate the communication between stakeholders are successfully used the Cloud Computing Architecture diagrams. It is convenient and easy to draw various Cloud Computing Architecture diagrams in ConceptDraw DIAGRAM software with help of tools of the Cloud Computing Diagrams Solution from the Computer and Networks Area of ConceptDraw Solution Park.Cloud Computing Architecture Diagrams *
Picture: Cloud Computing Architecture Diagrams
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Entity Relationship Diagram Symbols →

When we start to speak about databases, we must always mention database structure visualization. One of the most common ways to do it is to create an entity relationship diagram, and to put appropriate symbols on it. It is important either for database projecting and for its' future maintenance. Entity Relationship Diagram describes data elements and their relationships within a database. There are a set of special symbols that depict each element of an entity relationship diagram. Entities - represents some stable components such as supplier, employee, invoice, client, etc. Relation symbols show how the entities interact. Attributes define characteristics of the relationships. Attributes can be one-to-one or many-to-many. Physical symbols is used in the physical models. They represent items such as fields, tables, types and keys. ERD physical symbols are the building material for the database. Notation lines are used to illustrate the relationships. The most common method is Crow’s Feet notation. You can use ConceptDraw Entity-Relationship Diagram (ERD) solution to represent a database using the Entity-Relationship model.Entity Relationship Diagram Symbols
Picture: Entity Relationship Diagram Symbols
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DFD Library — Design elements →

Data Flow Diagram is used to depict the flow of data through the system, where it enters and exits the system, as well as where it is stored. To simplify the process of drawing a data flow diagram (DFD), ConceptDraw DIAGRAM provides a DFD Library - design elements that will help you make your diagram as informative, streamlined and understandable as possible. Data flow diagrams are useful to create a general overview of the system or to document major data flows. Here are the library of symbols used in data flow diagrams (DFD). Data Flow diagrams are graphic means of business process visualization. Any business process may involve the data transfer. It can be easily shown using data flow diagrams. DFDs are used to represent the processing and transformation of data within a business process. One can find out the Vector library of DFD symbols, that is a component of ConceptDraw solution for Data Flow Diagramming and is welcome to use in as addition to the common Conceptdraw DIAGRAM diagramming facilities.DFD Library — Design elements *
Picture: DFD Library — Design elements
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Entity-Relationship Diagram (ERD) with ConceptDraw DIAGRAM  →

Database structures are usually described by ER-diagrams which represents entities as boxes with lines-connections between them. You can create any entity-relationship diagram (ERD) by means of ConceptDraw DIAGRAM using ready-to-use templates and special libraries containing all the needed symbols and shapes. Creating a model for your database from now on can take just a few minutes. ERD (entity relationship diagram) designed to show the logical structure of databases. It intended to depict the relationships between data components (entities). ERDs are a popular tool for software engineers and architects. Using ERD they can manage the every aspect of database design. Also ERD can be used as guidelines for testing and communications before software release. This diagram represents the file reference system of the WordPress web platform. Because entity relationship diagrams have such a broad application area through the prevalence of database technology, it can be applied for a wide range of users.Entity-Relationship Diagram (ERD) <br>with ConceptDraw DIAGRAM  *
Picture: Entity-Relationship Diagram (ERD) with ConceptDraw DIAGRAM
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