UML Bookmarks

Published: 2021-10-24, Updated: 2021-10-24

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Class Diagram

Purpose of Class Diagrams

  1. Shows static structure of classifiers in a system
  2. Diagram provides a basic notation for other structure diagrams prescribed by UML
  3. Helpful for developers and other team members too
  4. Business Analysts can use class diagrams to model systems from a business perspective

RelationShips

Inheritance (or Generalization)

Implementation

Mustang is a Car, so Mustang implements the Car interface

Simple Association

There is an association between Class1 and Class2

Aggregation

A special type of association. It represents a "part of" relationship.

Composition

A special type of aggregation where parts are destroyed when the whole is destroyed.

Dependency / Use

If class one changes affects class two, then class one depends class two

Relationship

Names

Roles

Navigability

The diagram above suggests that,


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