What is the importance of association multiplicity in class diagrams?

Posted by Ristovak on Stack Overflow See other posts from Stack Overflow or by Ristovak
Published on 2010-05-19T06:50:58Z Indexed on 2010/05/19 7:00 UTC
Read the original article Hit count: 215

Filed under:

class-diagram

|

multiplicity

|

associations

|

association

What is the importance of association multiplicity in class diagrams? Why and when should we indicate them? Thanks.

© Stack Overflow or respective owner

Related posts about class-diagram

Java code generation from class diagram

as seen on Programmers - Search for 'Programmers'
I'm on the way developing a Java application where user can provide a class diagram and get the corresponding Java code. I don't know how can I let the user interactively draw a class diagram in Java. I am currently getting the required parameters like attributes, functions directly from the user… >>> More
UML Class Diagram for User Login

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, The diagram below is my very first attempt at creating a UML class diagram describing a user login into a website. I'm sure its a poor design and full of flaws, but I'm hoping to learn from you guys how you would design a simple login like this. I'm particularly interested in your use of design… >>> More
Class Diagram in Eclipse

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Is there a Visual Studio like plugin for Eclipse that will allow me create a class-diagram ? Preferable something that is actually up to date. Most of what Google finds is dead projects who haven't been updated in 2-6 years. >>> More
USE case to Class Diagram - How do I?

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I would like your guidance on how to create classes and their relationships (generalization, association, aggregation and composition) accurately from my USE case diagram (please see below). I am trying to create this class diagram so I can use it to create a simple online PHP application that… >>> More
Create class diagram from already existent iphone code

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey, does anybody know, how i could create automatically a UML class diagram from an already existent iphone project. Is it possible? Thanks in advance. >>> More

Related posts about multiplicity

Specifying Multiplicity in a Visio Database (ERD) Diagram

as seen on Super User - Search for 'Super User'
Is there a way to manually edit the cardinality/multiplicity symbols on the end of a database ERD made in Visio? The category I'm using is in Visio 2003 under Database -> Database Model Diagram I want to be able to go from something like this: To this: The second graphic was done by manually… >>> More
What is the importance of association multiplicity in class diagrams?

as seen on Stack Overflow - Search for 'Stack Overflow'
What is the importance of association multiplicity in class diagrams? Why and when should we indicate them? Thanks. >>> More
Specifying Multiplicity in a Visio Database (ERD) Diagram

as seen on Super User - Search for 'Super User'
Is there a way to manually edit the cardinality/multiplicity symbols on the end of a database ERD made in Visio? The category I'm using is in Visio 2003 under Database -> Database Model Diagram I want to be able to go from something like this: To this: The second graphic was done by manually… >>> More
Unique Keys not recognized by Entity Framework

as seen on Stack Overflow - Search for 'Stack Overflow'
I have two tables, Reports and Visualizations. Reports has a field, VisualizationID, which points to Visualization's field of the same name via a foreign key. It also has a unique key declared on the field. VisualizationID is not nullable. This means the relationship has to be 0..1 to 1, because every… >>> More
Problems with inheritance query view and one to many association in entity framework 4

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I have situation in with I stucked and don't know way out. The problem is in my bigger model, but I have made small example which shows the same problem. I have 4 tables. I called them SuperParent, NamedParent, TypedParent and ParentType. NamedParent and TypedParent derives from superParent… >>> More