Java OOP Basics

Опубликовано: 12 Июль 2026
на канале: Andriy Lutskiv

Object-Oriented Programming

Principles of OOP:
abstraction
inheritance
encapsulation
polymorphism

relations between classes:
"is-a": inheritance
"has-a": association, aggregation and composition

UML: class diagrams

class (abstract and non-abstract), interface, enum, record

Code link:

https://gitlab.com/l.andriy/oop-isi2
https://gitlab.com/l.andriy/oop-isi2.git