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UML Diagram

What is UML diagram?

UML is a Unified Modeling Language, that can be applied in banking, finance, internet, aerospace, healthcare and other business activities. It is, in general, as simple as an accepted standard which is commonly used for modeling some system. There are lots of notations that can be used for creating UML diagrams. And these notations can visually represent any needed:

  • requirements,
  • subsystems,
  • logical and physical elements,
  • structural,
  • behavioral patterns,

which are especially relevant to systems built while using an object-oriented style.

The above mentioned Unified Modeling Language (or UML) is a standardized and general-purpose modeling language which is very popular and widely used in the field of software engineering business activity.

Types of UML Diagrams

This Unified Modeling Language contains a set of graphic notation techniques for generating the visual models of object-oriented software-intensive systems and there are all together 13 types of UML diagrams, which you can always create using ConceptDraw DIAGRAM software. These types are:
  • “package” (or “class”),
  • “object”,
  • “use case”,
  • “sequence”,
  • “collaboration”,
  • “component”,
  • “state machine”,
  • “timing”,
  • “interaction overview”,
  • “composite structure”,
  • “activity”
  • “deployment”

UML diagrams. Each of these types we would like to describe and you can see their description below:

UML Class Diagrams

UML Class diagrams are the static structure diagrams with the help of which it is simple to describe a structure of some particular system in a way of showing the system's classes, attributes, operations (or methods), as well as the relationships among the objects within this system.

UML Class Diagram

Pic. 1 UML Class Diagram

UML Package Diagrams

UML Package diagram is used in the Unified Modeling Language for depicting the dependencies between the packages that can make a particular model.

UML Package Diagram

Pic. 2 UML Package Diagram

UML Object Diagrams

UML Object diagrams are used in the Unified Modeling Language (UML) and these diagrams show a partial or complete view of some system’s structure at some specific period of time.

UML Object Diagram

Pic. 3 UML Object Diagram

UML Use Case Diagrams

UML Use Case diagrams are the representations of a user's interaction with some particular system, depicting the specifications of a use case.


Pic. 4 UML Use Case Diagram

UML Sequence Diagrams

UML Sequence diagrams are interaction diagrams with help of which it is simpler to show the way how processes operate with each other and in which order it happens.

UML Sequence Diagram

Pic. 5 UML Sequence Diagram

UML Collaboration Diagrams

UML Communication diagrams model the interactions between different objects or parts in terms of sequenced messages. Communication diagrams represent a combination of information taken from Class, Use Case and Sequence Diagrams describing both the static structure and the dynamic behaviour of some particular system.

UML Collaboration Diagram

Pic. 6 UML Collaboration Diagram

UML Activity Diagrams

UML Activity diagrams represent workflows of the actions and activities with support of choice, iteration as well as concurrency. In the Unified Modeling Language activity diagrams are meant to model both organizational and computational processes (for example, workflows) and this type of diagrams represents the overall flow of control.

UML Activity Diagram

Pic. 7 UML Activity Diagram

UML Component Diagrams

UML Component diagrams help depict the way the components of some system are wired together in order to form larger components or software systems. This type of diagrams is used for illustrating the structure of arbitrarily complex systems.

UML Component Diagram

Pic. 8 UML Component Diagram

UML Deployment Diagrams

UML Deployment diagrams are used for modeling the physical deployment of some artefacts on nodes. These nodes look as boxes and the artefacts clustered with each node appear as rectangles within these boxes. Nodes may also have subnodes which can appear as nested boxes. A single node in this type of UML diagrams may conceptually represent many different physical nodes.

UML Deployment Diagram

Pic. 9 UML Deployment Diagram

UML State Machine Diagrams

"UML state machine, also known as UML statechart, is a significantly enhanced realization of the mathematical concept of a finite automaton in computer science applications as expressed in the Unified Modeling Language (UML) notation.

UML State Machine diagrams or UML state charts are used for boosting the realization of the mathematical concept of a finite automaton in computer science applications.

UML State Machine Diagram

Pic. 10 UML State Machine Diagram

UML Timing Diagrams

UML Timing diagram is a specific type of UML interaction diagram, which focuses on timing constraints. These types of UML diagrams are used for exploring the behaviours of objects throughout some particular period of time. This type of UML diagram is a special form of a Sequence diagram. The differences between them are the axes, which are reversed, so that the time is increased from left to right and the lifelines are shown in separate compartments that are arranged vertically.

UML Timing Diagram

Pic. 11 UML Timing Diagram

UML Interaction Overview Diagrams

UML Interaction Overview Diagram is included to the list of fourteen types of UML diagrams, which can illustrate a control flow with nodes that can contain interaction diagrams. This type of UML diagrams is similar to the Activity diagram, as they both visualize a sequence of activities. The difference in them is that each individual activity is pictured as a frame which can contain a nested interaction diagrams. This makes the interaction overview diagram to be very useful for deconstructing a complex scenario.

UML Interaction Overview Diagram

Pic. 12 UML Interaction Overview Diagram

UML Composite Structure Diagrams

UML Composite Structure diagram is such type of Static Structure diagrams that shows the internal structure of a class and the collaborations, which this structure makes possible. This type of UML diagrams can include internal parts, using which the parts of a system can interact with each other.

UML Composite Structure Diagram

Pic. 13 UML Composite Structure Diagram

Free Download UML Software and View All Examples

UML Diagram *

Example 1. UML Diagrams

UML can be applied to diverse application: banking, finance, internet, aerospace, healthcare, etc.

After describing so many different UML diagrams, which you can always create using ConceptDraw DIAGRAM we want to mention the way these diagrams may be created. Besides having ConceptDraw DIAGRAM it is also beneficial having ConceptDraw STORE as well, as this other product of CS Odessa is truly unique and it allows to download any needed solution for creating your own charts, flowcharts, schemes, plans, maps and diagrams, including any of the mentioned UML diagram any time you want them to be made within only a couple of hours or even minutes if you already know how to use ConceptDraw DIAGRAM and so ConceptDraw STORE, including all of the available solutions.

UML Diagram Solution

Example 2. UML Diagrams solution

The solution called “Rapid UML” allows you to make any UML diagram, using the available samples, such as “Design Elements — UML activity”, “Design Elements — UML class”, “Design Elements — UML Communication”, “Design Elements — UML Composite structure”, “Design Elements — UML Deployment”, “Design Elements — UML Interaction Overview”, “Design Elements — UML Component”, “Design Elements — UML Object”, “Design Elements — UML Package”, “Design Elements — UML State Machine”, “Design Elements — UML Timing”, “Design Elements — UML Sequence”, “Design Elements — UML Use case”, “UML Activity Diagram — Alarm Trigger Processing”, “UML Activity Diagram — Cash Withdrawal from ATM”, “UML Activity Diagram — Cash Withdrawal from ATM”, “UML Activity Diagram — Catalogue Creation Process”, “UML Activity Diagram — Catalogue Creation Processing”, “UML Activity Diagram — Payment Process”, “UML Activity Diagram — Servlet Container”, “UML Activity Diagram — Snap in Process”, “UML Activity Diagram — Ticket Processing System” and many other.


ConceptDraw DIAGRAM ER Diagram Tool →

Database design is an important part of any project, as databases become more and more complex nowadays. To make the model more representative, entity relationship diagrams are widely used in software engineering area. These diagrams show sets of entities as rectangles connected via lines labeled with their cardinalities. This an example of the ER-diagram developed to store information regarding some online role-playing game. It includes three main elements of ER diagram: entities, relationships and attributes. The entities, attributes and relationships on this ER-diagram is depicted according to the Chen's notation. Chen's notation for Entity Relationship diagrams admits using of rectangles to depict entities, ovals for attributes and ,at least, diamonds to show relationships. ConceptDraw Entity-Relationship Diagrams solution was applied as ERD software to create this diagram.ConceptDraw DIAGRAM ER Diagram Tool *
Picture: ConceptDraw DIAGRAM ER Diagram Tool
Related Solution:

Cloud Computing →

The Cloud Computing is the use of the software and hardware that includes the great number of computers connected over the communication network such as the Internet. The Cloud name comes from the usage the cloud symbol on the system diagrams as the abstraction for the complex network infrastructure. This term is used as a marketing metaphor for the Internet. This example was created in ConceptDraw DIAGRAM using the Computer and Networks Area of ConceptDraw Solution Park and shows the Cloud Computing.Cloud Computing *
Picture: Cloud Computing
Related Solution:

Audit Flowchart Symbols →

Accounting is a cornerstone of any business, it’s basement. If you want to have a visual representation of your finance management, use audit flowchart symbols to document the money flow. Although some would say that accounting is boring, it is very a responsible duty. The audit flowchart symbols is supplied with ConceptDraw Audit Flowcharts solution as a vector objects library. Together with Conceptdraw Drawing capabilities it forms the helpful tool for audit process planning and setting the steps of audit by designing audit flow charts. Audit Flow charts are used to organize fiscal information tracking process as well as in accounting, finance and investment management.Audit Flowchart Symbols *
Picture: Audit Flowchart Symbols
Related Solution:

Audio and Video Connections Explained →

The Audio and Video Connectors solution contains a set of video connectors, audio connectors and s video connection; you will also find pre-designed objects, libraries, templates, and samples, allowing quick and easy diagramming of various configurations of audio and video devices.Audio and Video Connections Explained *
Picture: Audio and Video Connections Explained
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Stacked Graph →

ConceptDraw DIAGRAM is a powerful software for drawing professional looking Stacked Graph thanks to the Divided Bar Diagrams solution from the Graphs and Charts area of ConceptDraw Solution Park.Stacked Graph *
Picture: Stacked Graph
Related Solution:

Pyramid Diagram →

When thinking about the process of decision making, it's easy to imagine it as a pyramid. We will look at a three level pyramid model as an example. Operational decisions are first that come to mind, and it's the first level. Tactical and strategic decisions are the second and the third levels. Pyramid (triangle) diagrams are used to show some hierarchical data. Because to the pyramid form of diagram, each diagram slice has a different width. The width of each segment depends on its hierarchical level. The current image illustrates the model of information system types. Most graphically the model can be represented as a three level pyramid. The first level shows a system of transaction processing It is concentrated on operational tasks. The second level is devoted to tactical solutions of the information system management. And at least, the third level addresses strategy and represents the executive information system. This three level pyramid sample is supplied with the ConceptDraw Pyramid Diagrams solution from Marketing area of ConceptDraw Solution Park.Pyramid Diagram *
Picture: Pyramid Diagram
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BPR Diagram. Business Process Reengineering Example →

This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the Business Process Diagram Solution from the Business Processes area of ConceptDraw Solution Park. The Business Process Solution is based on the standard BPMN 2.0 and includes the set of libraries of ready-to-use objects.BPR Diagram. <br>Business Process Reengineering Example *
Picture: BPR Diagram. Business Process Reengineering Example
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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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Home Remodeling Software. Home Plan Examples →

Home remodeling is something that many people face at one point or the other. The first part of any home remodeling is to create a new home plan. At first, it may seem a daunting and costly endeavor, but to take it on yourself, you just need to choose the right home remodeling software. Digital drawing software, such as ConceptDraw DIAGRAM , includes home plan examples to help you get started, as well as multiple advanced and powerful options, and an intuitive interface to go with them. People who want to make changes in their houses planning have previously prepare a plan of rebuilding, of house, apartment or any other construction. If somebody desires to change anything in the interior design he also requires a plan, as it’s handy to see on the plan the coming result and then begin to implement it. All these tasks will be solved better with ConceptDraw DIAGRAM and its solution for Building Plans. You will design professional looking Home Plans quick and easy using the vector libraries, templates and samples, supplied with Solution.Home Remodeling Software
Picture: Home Remodeling Software. Home Plan Examples
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