HomeDiagramsClass diagramClass: Composition (*--)

Class: Composition (*--)

Composition — "owns" relationship with filled diamond marker.

class-composition.mmd
classDiagram
  class Car {
    +String model
    +start() void
  }
  class Engine {
    +int horsepower
    +rev() void
  }
  Car *-- Engine
Output
Class diagram, Zombie Mermaid Car + String model + start(): void Engine + int horsepower + rev(): void

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