uml

来源： https://stackoverflow.com/questions/64320853/am-i-interpreting-the-uml-correctly-for-my-java-code

来源： https://stackoverflow.com/questions/9648927/uml-association-class-clarifying

来源： https://stackoverflow.com/questions/63802394/aggregation-or-dependency-in-the-simple-factory-uml

来源： https://stackoverflow.com/questions/62560837/how-i-can-represent-this-relation-in-class-diagram

来源： https://stackoverflow.com/questions/20303335/ipython-notebook-plantuml-extension

来源： https://stackoverflow.com/questions/25966212/semantic-relationship-in-uml

来源： https://stackoverflow.com/questions/61629837/is-boumls-state-machine-generator-right-when-its-calling-doactivity-just-befor

来源： https://stackoverflow.com/questions/61629837/is-boumls-state-machine-generator-right-when-its-calling-doactivity-just-befor

问题 I am using PlantUML to create an Activity diagram. I want the arrow that comes out of Modify Details to go back to OP2 instead of the diamond. I have this diagram: @startuml |Swimlane1| start :OP1; |Swimlane2| :OP2; if (Form Valid?) then (No) |Swimlane1| :Modify Details; /' <-- This should point _back_ to OP2 '/ |Swimlane2| else (Yes) :Add Detals to System; endif :OP3; |Swimlane2| :foo5; stop @enduml Which gives this image: 回答1: Can you express it with a while or repeat ? Below is not quite

问题 In short I would like to model a covariant association between two classes, that can each be specialized. I need to show the specialization of the related association-classes. But I want to avoid that my model could mean that there are redundant associations (i.e. one between the generalizations and one between the specializations. Step by step explanation of the problem I have in an UML class diagram a many-many association between a Person and a Contract . A person can be involved in