mermaid.js:class diagram

code:mermaid

classDiagram

note "From Duck till Zebra"

Animal <|-- Duck

note for Duck "can fly\ncan swim\ncan dive\ncan help in debugging"

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()

}