UML Class Diagram Notation
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This presentation is about UML class diagram. In this presentation you will learn about class diagram, association, agreegation, generalization and realization.
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Class diagram presentationSayedFarhan110 The document discusses class diagrams and their components. A class diagram visually represents the structure of a system by showing classes, their attributes, operations or methods, and the relationships between classes. It includes boxes to represent classes with three parts - name, attributes, and operations. It also discusses the different types of relationships between classes including generalization, association, aggregation and composition.
INTRODUCTION TO UML DIAGRAMS
INTRODUCTION TO UML DIAGRAMSAshita Agrawal UML stands for Unified Modelling Language.
UML is a standard language for specifying, visualizing, constructing, and documenting a system in which software represents the most significant part.
UML is different from the other common programming languages like C++, Java, COBOL etc.
UML is a pictorial language used to make software blue prints.
UML can serve as a central notation for software development process. Using UML helps project teams communicate, explore potential designs, and validate the architectural designs of software.
UML diagrams are made using notation of things and relationships.
The building blocks of UML can be defined as:
Things
Relationships
Diagrams
Things: Things are the most important building blocks of UML. Things can be:
Structural
Behavioral
Grouping
Annotational
The Structural things define the static part of the model. They represent physical and conceptual elements. Following are the brief descriptions of the structural things.
Class: Class represents set of objects having similar responsibilities.
Interface: Interface defines a set of operations which specify the responsibility of a class.
Collaboration: Collaboration defines interaction between elements.
Use case: Use case represents a set of actions performed by a system for a specific goal.
Component: Component describes physical part of a system.
Node: A node can be defined as a physical element that exists at run time.
A behavioral thing consists of the dynamic parts of UML models. Following are the behavioral things:
Interaction: Interaction is defined as a behavior that consists of a group of messages exchanged among elements to accomplish a specific task.
State machine: State machine is useful when the state of an object in its life cycle is important. It defines the sequence of states an object goes through in response to events. Events are external factors responsible for state change.
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Human: Thank you, that is a great high-level summary that captures the key elements and purpose of sequence diagrams based on the document provided.
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Class diagram- UML diagramRamakant Soni This document provides an overview of class diagrams in UML. It describes the key components of a class including the name, attributes, and operations. It explains how classes can be connected through relationships like generalizations, associations, and dependencies. The document uses examples like Person, Student, and CourseSchedule classes to illustrate attributes, operations, and relationships between classes.
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Activity diagrams
Activity diagramsJalaxy Jahury The document discusses activity diagrams, including their purpose, elements, notation, guidelines for creation, and an example. Activity diagrams can model tasks, system functions, and life cycles. Key elements include activities, transitions, decisions, and parallel paths. Notation includes rectangles for activities, arrows for transitions, diamonds for decisions, and bars for parallelism. Guidelines recommend setting context, identifying activities and flows, decisions, and parallelism. The example models scheduling appointments in a dentist office.
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2. Dependency - a relationship where changes to one class may affect another class.
3. Generalization - a relationship between a superclass and subclass where the subclass shares properties of the superclass.
4. Realization - a relationship between a classifier that specifies a contract and another that guarantees to carry out the contract, such as between interfaces and classes.
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Sequence diagramsVince Carter Sequence diagrams show interactions between objects over time and are preferable to collaboration diagrams when there are several interactions involved in a behavior or the sequence of interactions gets complicated. Sequence diagrams layout symbols representing objects and their interactions along a y-axis representing time. For example, a purchase operation might involve charging a customer's account, removing an item from inventory, and creating a shipping order when the item arrives. Asynchronous messages allow objects to continue operating immediately after issuing a message rather than waiting for a response.
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Component diagram
Component diagramAbdul Manan Component diagram is Implementation diagram in Object oriented programming, It describe different elements required for implementing a system.
Domain Modeling
Domain ModelingHarsh Jegadeesan This document provides an overview of domain modeling concepts including:
- A domain model illustrates meaningful conceptual classes in a problem domain and is not focused on software components.
- Key elements of a domain model include conceptual classes, associations between classes, and attributes of classes.
- Identifying conceptual classes involves techniques like analyzing common nouns and noun phrases.
- Associations represent meaningful relationships between conceptual classes and should be identified based on information needs.
- Attributes specify logical data values of conceptual classes and should be kept simple.
- The document uses examples to demonstrate domain modeling techniques.
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Object and class relationships
Object and class relationshipsPooja mittal A class diagram shows the structure of a system through classes, attributes, operations, and relationships between classes. It includes classes and their properties like attributes and methods. It also shows relationships between classes like associations, aggregations, generalizations, and dependencies. The class diagram is a key tool in object-oriented analysis and design.
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https://alandix.com/academic/talks/CMet2025-AI-Changes-Everything/
Is AI just another technology, or does it fundamentally change the way we live and think?
Every technology has a direct impact with micro-ethical consequences, some good, some bad. However more profound are the ways in which some technologies reshape the very fabric of society with macro-ethical impacts. The invention of the stirrup revolutionised mounted combat, but as a side effect gave rise to the feudal system, which still shapes politics today. The internal combustion engine offers personal freedom and creates pollution, but has also transformed the nature of urban planning and international trade. When we look at AI the micro-ethical issues, such as bias, are most obvious, but the macro-ethical challenges may be greater.
At a micro-ethical level AI has the potential to deepen social, ethnic and gender bias, issues I have warned about since the early 1990s! It is also being used increasingly on the battlefield. However, it also offers amazing opportunities in health and educations, as the recent Nobel prizes for the developers of AlphaFold illustrate. More radically, the need to encode ethics acts as a mirror to surface essential ethical problems and conflicts.
At the macro-ethical level, by the early 2000s digital technology had already begun to undermine sovereignty (e.g. gambling), market economics (through network effects and emergent monopolies), and the very meaning of money. Modern AI is the child of big data, big computation and ultimately big business, intensifying the inherent tendency of digital technology to concentrate power. AI is already unravelling the fundamentals of the social, political and economic world around us, but this is a world that needs radical reimagining to overcome the global environmental and human challenges that confront us. Our challenge is whether to let the threads fall as they may, or to use them to weave a better future.
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QRGs include the following:
- A brief, high-level overview of the QRG topic.
- A milestone timeline for the QRG topic.
- Links to various free online resource materials to provide a deeper dive into the QRG topic.
- Conclusion and a recommendation for at least two books available in the SJPL system on the QRG topic.
QRGs planned for the series:
- Artificial Intelligence QRG
- Quantum Computing QRG
- Big Data Analytics QRG
- Spacecraft Guidance, Navigation & Control QRG (coming 2026)
- UK Home Computing & The Birth of ARM QRG (coming 2027)
Any questions or comments?
- Please contact Arthur Morgan at [email protected].
100% human made.
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Artificial Intelligence is providing benefits in many areas of work within the heritage sector, from image analysis, to ideas generation, and new research tools. However, it is more critical than ever for people, with analogue intelligence, to ensure the integrity and ethical use of AI. Including real people can improve the use of AI by identifying potential biases, cross-checking results, refining workflows, and providing contextual relevance to AI-driven results.
News about the impact of AI often paints a rosy picture. In practice, there are many potential pitfalls. This presentation discusses these issues and looks at the role of analogue intelligence and analogue interfaces in providing the best results to our audiences. How do we deal with factually incorrect results? How do we get content generated that better reflects the diversity of our communities? What roles are there for physical, in-person experiences in the digital world?
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• Optimized Torizon OS & Yocto Support – Toradex provides Torizon OS, a Debian-based easy-to-use platform, and Yocto BSPs for customized Linux images on SMARC modules.
• Seamless Integration with i.MX 8M Plus and i.MX 95 – Toradex SMARC solutions leverage NXP’s i.MX 8 M Plus and i.MX 95 SoCs, delivering power efficiency and AI-ready performance.
• Secure and Reliable – With Secure Boot, over-the-air (OTA) updates, and LTS kernel support, Toradex ensures industrial-grade security and longevity.
• Containerized Workflows for AI & IoT – Support for Docker, ROS, and real-time Linux enables scalable AI, ML, and IoT applications.
• Strong Ecosystem & Developer Support – Toradex offers comprehensive documentation, developer tools, and dedicated support, accelerating time-to-market.
With Toradex’s Linux support for SMARC, developers get a scalable, secure, and high-performance solution for industrial, medical, and AI-driven applications.
Do you have a specific project or application in mind where you're considering SMARC? We can help with Free Compatibility Check and help you with quick time-to-market
For more information: https://www.toradex.com/computer-on-modules/smarc-arm-family
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HCL Nomad Web is heralded as the next generation of the HCL Notes client, offering numerous advantages such as eliminating the need for packaging, distribution, and installation. Nomad Web client upgrades will be installed “automatically” in the background. This significantly reduces the administrative footprint compared to traditional HCL Notes clients. However, troubleshooting issues in Nomad Web present unique challenges compared to the Notes client.
Join Christoph and Marc as they demonstrate how to simplify the troubleshooting process in HCL Nomad Web, ensuring a smoother and more efficient user experience.
In this webinar, we will explore effective strategies for diagnosing and resolving common problems in HCL Nomad Web, including
- Accessing the console
- Locating and interpreting log files
- Accessing the data folder within the browser’s cache (using OPFS)
- Understand the difference between single- and multi-user scenarios
- Utilizing Client Clocking
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At S&P Global Commodity Insights, having a complete view of global energy and commodities markets enables customers to make data-driven decisions with confidence and create long-term, sustainable value. 🌍
Explore delta-rs + CDC and how these open-source innovations power lightweight, high-performance data applications beyond Spark! 🚀
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Discover how data annotation services are powering accuracy, safety, and efficiency in AI-driven manufacturing systems.
Precision in data labeling = Precision on the production floor.
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Everyone’s talking about AI but is anyone really using it to create real value?
Most companies want to leverage AI. Few know 𝗵𝗼𝘄.
✅ What exactly should you ask to find real AI opportunities?
✅ Which AI techniques actually fit your business?
✅ Is your data even ready for AI?
If you’re not sure, you’re not alone. This is a condensed version of the slides I presented at a Linkedin webinar for Tecnovy on 28.04.2025.
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Link to recording, transcript, and accompanying resource: https://bnctechforum.ca/sessions/standardsgoals-for-2025-standards-certification-roundup/
Presented by BookNet Canada on May 6, 2025 with support from the Department of Canadian Heritage.
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tecnologias de las primeras civilizaciones.pdf
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UML Class Diagram Notation
- 1. TOPIC:UML CLASS DIAGRAM NOTATION 17BS(IT)63 1 Shaheed Benazir Bhutto University Shaheed Benazir Abad Name: Adnan Ejaz Roll No: 17BSIT(063) Present to: ABC……
- 2. What is a Class Diagram? A Class Diagram is a diagram describing the structure of a system • shows the system's • classes • Attributes • operations (or methods), • Relationships among the classes. 17BS(IT)63 2
- 3. Essential Elements of a UML Class Diagram Class Attributes Operations Relationships Associations Generalization Realization 17BS(IT)63 3
- 4. Class Describes a set of objects having similar: – Attributes (status) – Operations (behavior) Class Name Window – Relationships with other classes • Attributes and operations may Attributes size: Size visibility: – have their visibility marked: visibility: boolean Operations display() hide() 17BS(IT)63 4
- 5. Associations An association between two classes indicates that objects at one end of an association “recognize” objects at the other end and may send messages to them. • Example: “An Employee works for a Company” Employee Company 17BS(IT)63 5
- 6. Associations (cont.) StaffMember Student 1..* *instructs instructor Association name Role name Multiplicity Navigable (uni-directional) association Courses pre - requisites 0..3 Reflexive association Role * 17BS(IT)63 6
- 7. Associations (cont.) To clarify its meaning, an association may be named. The name is represented as a label placed midway along the association line. Usually a verb or a verb phrase. A role is an end of an association where it connects to a class. May be named to indicate the role played by the class attached to the end of the association path. Usually a noun or noun phrase 17BS(IT)63 7
- 8. Associations (cont.) Mandatory for reflexive associations Multiplicity the number of objects that participate in the association. Indicates whether or not an association is mandatory. Multiplicity Indicators Exactly one 1 Zero or more (unlimited)* (0..*) One or more 1..* Zero or one (optional association) 0..1 Specified range 2..4 Multiple, disjoint ranges 2, 4..6, 8 17BS(IT)63 8
- 9. Aggregation A special form of association that models a whole-part relationship between an aggregate (the whole) and its parts. – Models a “is a part-part of” relationship. Whole Part Car Door House 1..*2..* 17BS(IT)63 9
- 10. Aggregation (cont.) Aggregation tests: – Is the phrase “part of” used to describe the relationship? A door is “part of” a car Are some operations on the whole automatically applied to its parts? Move the car, move the door. Are some attribute values propagated from the whole to all or some of its parts? The car is blue, therefore the door is blue. Is there an intrinsic asymmetry to the relationship where one class is subordinate to the other? A door is part of a car. A car is not part of a door. 17BS(IT)63 10
- 11. Generalization Indicates that objects of the specialized class (subclass) are substitutable for objects of the generalized class (super-class). – “is kind of” relationship. Shape }abstract{ Circle Super Class Sub Class An abstract class Generalization relationship 17BS(IT)63 11
- 12. Generalization A sub-class inherits from its super-class Attributes Operations Relationships A sub-class may Add attributes and operations Add relationships Refine (override) inherited operations A generalization relationship may not be used to model interface implementation. 17BS(IT)63 12
- 13. Realization A realization relationship indicates that one class implements a behavior specified by another class (an interface or protocol). An interface can be realized by many classes. A class may realize many interfaces. LinkedList <<interface>> List 17BS(IT)63 13