UML representation of specific factory pattern
I have to create an UML class diagram from the following example code (Perl). I don’t think that the standard factory pattern match in my case or I don’t understand it correctly. I don’t have AbstractFactory
and ConcreteFactory
but a single Factory
.
How show Attributes which appear In Many To Many association
As we know a many to many association are shown by two asterisks in both end of association. Now I have a association between two entities “Good” and “Invoice” so Good and Invoice have a many to many association but I want to show the “count of each good” in each invoice on class diagram.
What does the arrow mean in a Class Diagram?
I need help trying to understand what the meaning of the arrow in a UML Class Diagram is, more specifically in this Composite Diagram. What’s the difference between the simple line (from a class to another one) and the arrow (not the inheritance arrow, I refer to the black one)?
How can I use UML to model a relationship between two classes, where one has functions exposed as friend to the other?
I have a two classes:
Class Design and Structure Online Web Store
I hope I have asked this in the right forum.
UML – Class Diagrams Order -> Products
I have a class diagram that is like this:
What classes to put exactly in a class diagram?
What classes must I put in a class diagram? Only classes used in Business Layer and associations between them? Or also other classes in the Data Access Layer, Service Layer, etc.?
UML Class diagram confusion
I am learning how to draw a UML class diagram and after reading a few tutorials, I am still confused about the appropriate usages of Association type (The clear diamond and black diamond). I understand their usages but I haven’t got a very concrete understanding on when to use them and when not to.
How to indicate that a class might implement an interface?
Say I have a class User and an interface Administrator. Some users are administrator and can thus implement the interface. Most aren’t, however, so it’s false to say that “User implements Administrator”.
How to indicate that a class might implement an interface?
Say I have a class User and an interface Administrator. Some users are administrator and can thus implement the interface. Most aren’t, however, so it’s false to say that “User implements Administrator”.