PlantUML: Draw aggregation in class diagram

Aggregation is specified using the symbol o--

 

classAggregation.txt

@startuml

title "Class Aggregation"

class Car

Class Engine
class Transmission
class Battery
class Alternator
class Radiator
class Brakes
class FuelTank

class Piston
class Flywheel
class Gasket

Car o-- Engine
Car o-- Transmission
Car o-- Battery
Car o-- Alternator
Car o-- Radiator
Car o-- Brakes
Car o-- Engine
Car o-- FuelTank

Engine o-- Piston
Engine o-- Flywheel
Engine o-- Gasket

@enduml

 

Above snippet generate below diagram.

 

 

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