= 2021-09-22 = * http://www.plantuml.com/plantuml/png/SoWkIImgAStDuKfCAYufIamkKO02nxpCtCGShioyajIYjCJaLAYmStvEVX66g7jgNafg4HT4Zu9DZQukPq1cEWhV9H-LxvnOmWLK0zGCLvzUoUMI3nS16mpa0qM1Qb54lJDBIbBpkC1k0GdhwO65GKP2N88gvW0K0teH0000 {{{ @startuml abstract Animal interface Color interface Gender Animal <|-- Pig Animal <|-- Dog Animal <|-- Cat Pig <|-- Piggy Dog <|-- Doggy Cat <|-- Kitten Color <|.. Cat Gender <|.. Cat @enduml }}} - [[Image(OOP_Concepts.png)]]