classDiagram
      accTitle: Demo Class Diagram
      accDescr: This class diagram show the abstract Animal class, and 3 classes that inherit from it: Duck, Fish, and Zebra.

      Animal <|-- Duck
      Animal <|-- Fish
      Animal <|-- Zebra
      Animal : +int age
      Animal : +String gender
      Animal: +isMammal()
      Animal: +mate()

      class Duck{
        +String beakColor
        +swim()
        +quack()
      }
      class Fish{
        -int sizeInFeet
        -canEat()
      }
      class Zebra{
        +bool is_wild
        +run()
      }

    

    classDiagram
    Class01 <|-- AveryLongClass : Cool

    <<interface>> Class01
    Class03 "0" *-- "0..n" Class04
    Class05 "1" o-- "many" Class06
    Class07 .. Class08
    Class09 "many" --> "1" C2 : Where am i?
    Class09 "0" --* "1..n" C3
    Class09 --|> Class07
    Class07 : equals()
    Class07 : Object[] elementData
    Class01 : #size()
    Class01 : -int chimp
    Class01 : +int gorilla
    Class08 <--> C2: Cool label
      class Class10 {
      <<service>>
      int id
      size()
      }
    

    classDiagram
    class Class01~T~
    Class01 : #size()
    Class01 : -int chimp
    Class01 : +int gorilla
    class Class10~T~ {
    <<service>>
    int id
    size()
    }
    

    classDiagram
    Class01~T~ <|-- AveryLongClass : Cool
    <<interface>> Class01
    Class03~T~ "0" *-- "0..n" Class04
    Class05 "1" o-- "many" Class06
    Class07~T~ .. Class08
    Class09 "many" --> "1" C2 : Where am i?
      Class09 "0" --* "1..n" C3
      Class09 --|> Class07
      Class07 : equals()
      Class07 : Object[] elementData
      Class01 : #size()
      Class01 : -int chimp
      Class01 : +int gorilla
      Class08 <--> C2: Cool label
        class Class10 {
        <<service>>
        int id
        size()
        }
    

    classDiagram
    Interface1 ()-- Interface1Impl
    

    classDiagram
    direction LR
    Animal ()-- Dog
    Dog : bark()
    Dog : species()
    

    classDiagram
    direction RL
    Fruit ()-- Apple
    Apple : color()
    Apple : -int leafCount()
    Fruit ()-- Pineapple
    Pineapple : color()
    Pineapple : -int leafCount()
    Pineapple : -int spikeCount()