2024年12月9日 · Another piece of advice: if you're using UML as a tool for reasoning (and not just for documentation), class diagrams are useful to show the static structure of your software and in particular the dependencies between classes.

2015年12月29日 · 0..* ---> Zero or more classes can have zero or more students, which means a class or more classes can have more students or no students. (excluded no class behaviour) 1..* ---> One or more classes can have zero or more students, which means a class or more classes can have more students or no students. Please correct my understanding?

2010年4月7日 · Class diagrams does not show behavior, but only structure. To show behavior you can use sequence diagrams, and a condition in sequence diagram is shown be be a rectangle which in its top corner you write the condition and inside it you describe the operation that occurs if condition is true.

2009年6月6日 · Make package diagram showing the relation between those, one class diagram for each subsystem. Add class diagrams for special things you want to show. Print each on A4. If you can't split the diagram easily into modules, I'd consider that a design smell.

2010年10月23日 · If you would like to add comments to a UML source, depending on the renderer you can use --or ' for a single line comment and /' '/ for a multi-line comment. Example for PlantUML: @startuml ' This is a single-line comment Bob->Alice : …

2023年7月13日 · The number 1 is a shortcut for 1..1, which means at least one and at most one, so in summary, exactly 1.. In the context of your diagram, it means that that for every instance of Order on the other side, there is exactly 1 "associated" Customer instance (the correct term should be "linked" since a link is to an association what an object is to a class).

2014年12月13日 · I have a SportsCentre class which contains an array of Employee objects. Which is the right way to show that an attribute's data type is an array of objects? I have found two different versions onl...

2012年2月29日 · UML class diagram for static variable from other class. 0. UML class diagram relation with mother class if ...

2019年3月20日 · With classes, dependencies exist for various reasons: One class sends a message to another; one class has another as part of its data; one class mentions another as a parameter to an operation. You use dependencies whenever you want to show how changes in one element might alter other elements.

The diagram shows that Query builder has a Query (and vice versa). How is this association depicted in the code? You have a class QueryBuilder that has an attribute of type Query named query. In code: class QueryBuilder { Query query; } And you have a class Query that has an attribute of type QueryBuilder named qbuilder. In code: