--- date: 2020-11-26 id: 097ba634-5976-437d-84c9-3bfe776df02b title: abstraction --- # Origin Latin abstrahere "drawm from" # Definition Hide implementation details from the user. For exapmle by extending classes. # Examples ``` typescript abstract class Fish { swim() { return '>>>>>' } } class Shark extends Fish { name: 'shark' } class Tuna extends Fish { name: 'tuna' } ```