@startuml
package com.iluwatar.semaphore {
  class App {
    + App()
    + main(args : String[]) {static}
  }
  class Fruit {
    - type : FruitType
    + Fruit(type : FruitType)
    + getType() : FruitType
    + toString() : String
  }
  enum FruitType {
    + APPLE {static}
    + LEMON {static}
    + ORANGE {static}
    + valueOf(name : String) : FruitType {static}
    + values() : FruitType[] {static}
  }
  class FruitBowl {
    - fruit : ArrayList<Fruit>
    + FruitBowl()
    + countFruit() : int
    + put(f : Fruit)
    + take() : Fruit
    + toString() : String
  }
  class FruitShop {
    - available : boolean[]
    - bowls : FruitBowl[]
    - semaphore : Semaphore
    + FruitShop()
    + countFruit() : int
    + returnBowl(bowl : FruitBowl)
    + takeBowl() : FruitBowl
  }
  interface Lock {
    + acquire() {abstract}
    + release() {abstract}
  }
  class Semaphore {
    - counter : int
    - licenses : int
    + Semaphore(licenses : int)
    + acquire()
    + getAvailableLicenses() : int
    + getNumLicenses() : int
    + release()
  }
}
Fruit -->  "-type" FruitType
FruitType ..+ Fruit
FruitShop -->  "-semaphore" Semaphore
FruitBowl -->  "-fruit" Fruit
Semaphore ..|> Lock 
@enduml