Class diagram

lastmod 2018-08-17created 2015-03-099 edits

A class diagram shows how different entities (people, products, data) relate to one another. In other words, it represents the static structure of a system.

Domain Model Diagram

• UML Class and Object Diagrams Overview

Diagram of Implementation Classes

• UML Class and Object Diagrams Overview

Class diagrams mapped to C/C++

Strong reference (persistent)

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Weak reference (temporary)

// TODO: EDIT!!

Inheritance

class A {
};
class B :  public A {
};
class C : public A {
};

Inheritance of an interface (pure abstract class) looks like the figure below:

Ownership

Strong ownership: when the whole is destroyed, the parts are destroyed with it:

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Weak ownership: independent of each other, with different lifecycles:

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Favorite site

• UML (Unified Modeling Language) class diagram notation
• UML (Unified Modeling Language) class diagram notation summary
• [Recommended] UML: Mapping class diagrams to source code ¹
• UML in practice: class diagrams
• A close look at "relationships" in class design
• Clearing up confusion in Class Diagrams (Association, Composition, Aggregation, Realization)
• UML - Basics (basic notation and how to express relationships)
• [Recommended] UML Class and Object Diagrams Overview

References