PlantUML: Draw many to many relationship in class diagram

To model many to many relationship, you can use double-quotes "" on each side of the relation.

 

Example

Student "0..*" -- "1..*" Course

 

manyToMany.txt

@startuml

title "Class Composition"

class Student
class Course

Student "0..*" -- "1..*" Course

@enduml

 

 

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