java-design-patterns/strategy/etc/strategy.urm.puml

@startuml
package com.iluwatar.strategy {
  class App {
    - LOGGER : Logger {static}
    + App()
    + main(args : String[]) {static}
  }
  class DragonSlayer {
    - strategy : DragonSlayingStrategy
    + DragonSlayer(strategy : DragonSlayingStrategy)
    + changeStrategy(strategy : DragonSlayingStrategy)
    + goToBattle()
  }
  interface DragonSlayingStrategy {
    + execute() {abstract}
  }
  class LambdaStrategy {
    - LOGGER : Logger {static}
    + LambdaStrategy()
  }
  enum Strategy {
    + MeleeStrategy {static}
    + ProjectileStrategy {static}
    + SpellStrategy {static}
    - dragonSlayingStrategy : DragonSlayingStrategy
    + execute()
    + valueOf(name : String) : Strategy {static}
    + values() : Strategy[] {static}
  }
  class MeleeStrategy {
    - LOGGER : Logger {static}
    + MeleeStrategy()
    + execute()
  }
  class ProjectileStrategy {
    - LOGGER : Logger {static}
    + ProjectileStrategy()
    + execute()
  }
  class SpellStrategy {
    - LOGGER : Logger {static}
    + SpellStrategy()
    + execute()
  }
}
Strategy ..+ LambdaStrategy
Strategy -->  "-dragonSlayingStrategy" DragonSlayingStrategy
DragonSlayer -->  "-strategy" DragonSlayingStrategy
Strategy ..|> DragonSlayingStrategy 
MeleeStrategy ..|> DragonSlayingStrategy 
ProjectileStrategy ..|> DragonSlayingStrategy 
SpellStrategy ..|> DragonSlayingStrategy 
@enduml