Java ClassesLesson 25Free preview

Java OOP

This lesson is part of Java · All levels

Summary

This lesson introduces object-oriented programming (OOP), a paradigm that models programs as a collection of objects interacting with each other. You'll know the four main pillars: encapsulation, inheritance, polymorphism, and abstraction. With OOP, large programs become more organized and easier to maintain.

Key points

OOP breaks down the problem into objects that have data (states) and behavior (behavior)
The four pillars of OOP: encapsulation, inheritance, polymorphism, abstraction
Class is a print, object is the result of the print.
OOP makes code more modular, easier to test, and reusable

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