UML Class Diagram G-3-122139
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This document defines a UML class diagram and its components. A UML class diagram shows classes, fields, methods, and relationships between classes. It represents classes and their inheritance, interface implementation, and associations. Associations include dependencies, aggregations, and compositions. The document explains class diagram notation for classes, attributes, methods, relationships, and tools for creating class diagrams.
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Uml class-diagram
This document provides an overview of UML class diagrams, including their purpose and essential elements. A UML class diagram visually describes the structure of a system by showing classes, attributes, operations, and relationships. Key elements include classes, associations, generalization, dependencies, and notes. The document also provides examples and tips for creating UML class diagrams.
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1. Requirements analysis specifies a software's operational characteristics and interface with other systems to establish constraints. Analysis modeling focuses on what the software needs to do, not how it will be implemented.
2. Analysis modeling principles include representing the information domain, defining functions, modeling behavior, partitioning complex problems, and moving from essential information to implementation details.
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This document provides an introduction to object-oriented modeling (OOM) and the Unified Modeling Language (UML). It discusses the key concepts of OOM including classes, objects, relationships, generalization, inheritance, and the four main processes of OOM: system analysis, system design, object design, and final implementation. It also describes the main characteristics of OOM like classes and objects, links and associations, and generalization and inheritance. Common UML diagrams like class diagrams are explained to visually represent classes, objects, and relationships.
uml.ppt
UML (Unified Modeling Language) is a standard modeling language used to visualize, specify, construct, and document software systems. It includes graphical notation techniques to create models of object-oriented software systems. Some key UML diagram types are use case diagrams, class diagrams, sequence diagrams, and state machine diagrams. UML is not a process but a modeling language that can be used throughout the software development lifecycle.
UML (Hemant rajak)
This document provides an introduction to the Unified Modeling Language (UML). It discusses the origins of UML and how it was created through the unification of several object-oriented modeling languages. It then describes the main types of UML diagrams including use case diagrams, activity diagrams, class diagrams, state machine diagrams, and others. For each diagram type, it provides an example diagram and discusses when and how it should be used. The document is intended to teach students about UML and the various diagrams that can be used for software modeling and design.
Cs 1023 lec 10 uml (week 3)
UML (Unified Modeling Language) is a standard modeling language used to visualize, specify, construct, and document software systems. It includes graphical notation techniques to create models of object-oriented software systems. Some key UML diagram types are use case diagrams, which depict interactions between external actors and the system; class diagrams, which show system classes and their relationships; and sequence diagrams, which illustrate object interactions over time. UML aims to improve understanding between customers, developers, and other stakeholders and supports the software development lifecycle.
classdiagram.pptx
The document discusses class diagrams in UML. It describes what a class diagram is, its key components and relationships. A class diagram visually represents classes, attributes, operations and relationships in a system. It provides an overview of the structure and design of the system before coding. The key components are classes, attributes, operations and relationships like association, generalization and dependency.
Introduction to UML
In this business analysis training session, you will learn about Introduction to UML. Topics covered in this course are:
• Introduction to OOA and UML
• Stated vs Un-stated
• Software Analysis and Design
• Modeling
• UML
• Why UML
• Overview
• Types
• Use Case Diagram
• Types of Actor
• Class Diagram
• What is Class Diagram
• Class Representation
• Types of Class
• Sequence Diagram
• Interaction Diagram
To know more, visit this link: https://www.mindsmapped.com/courses/business-analysis/getting-started-with-business-analysis-fundamentals/
UML Training for Business Analysts
In this UML Training for Business Analysts, you will learn about:
Introduction to OOA and UML
Stated vs Un-stated
Software Analysis and Design
Modeling
UML
Why UML
Overview
Types
Use Case Diagram
Types of Actor
Class Diagram
What is Class Diagram
Class Representation
Types of Class
Sequence Diagram
Interaction Diagram
For more information, visit this link: https://www.mindsmapped.com/courses/business-analysis/uml-training-for-business-analysts/
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UML Class Diagram G-3-122139
- 1. GROUP - C UML CLASS DIAGRAM • 122065 • 122109 • 122139 • 122141
- 2. UML class diagram: a picture of • the classes in an OO system • their fields and methods • connections between the classes that interact or inherit from each other Not represented in a UML class diagram: • details of how the classes interact with each other • algorithmic details; how a particular behavior is implemented WHAT IS A CLASS DIAGRAM?
- 3. A CLASS Class Name Attributes Methods write <<interface>> on top of interfaces' names use italics for an abstract class name should include all fields of the object omit trivial (get/set) methods don't omit any methods from an interface should not include inherited methods
- 4. visibility: • + public • # protected • - private • ~ package (default) • / derived ATTRIBUTES AND METHODS • underline static attributes/methods • parameter types listed as (name: type) • omit return type on constructors and when return type is void Attribute - balance : double = 0.00 Method + distance(p1: Point, p2: Point): double
- 5. Displays • inheritance between classes • interface implementation Arrow Styles • class: solid line, black arrow • abstract class: solid line, white arrow • interface: dashed line, white arrow RELATIONSHIPS - GENERALIZATION
- 6. Displays a usage relationship There are three parts of an Association : • Multiplicity : How many are used • Name : what relationship the objects have • Navigability : Direction There are three types of Associations : • Dependency • Aggregation • Composition RELATIONSHIPS - ASSOCIATION Customer Order 1 *
- 7. Multiplicity • One to One • One to Many RELATIONSHIPS - ASSOCIATION
- 8. Dependency : • A using relationship between two classes • A change in the specification of one class may affect the other • But not necessarily the reverse RELATIONSHIPS - ASSOCIATION Dependent Employee dependency
- 9. Aggregation : Has a - relationship RELATIONSHIPS - ASSOCIATION 1 1 Car aggregation Engine
- 10. Composition: Is composed of - relationship RELATIONSHIPS - ASSOCIATION Page Book composition * 1
- 11. • Violet (free) – http://horstmann.com/violet/ • Rational Rose – http://www.rational.com/ • Visual Paradigm UML Suite (trial) TOOLS
- 12. • Can be used to discover related data and attributes • Gives a quick picture of the important entities • Shows whether you have too few/many classes, whether the relationships between objects are too complex, etc. • Spots dependencies between one class/object and another BUT • Not data-driven • Do not display the control flow PROS AND CONS
- 13. THANK YOU