Once object-oriented programming hit the masses, it transformed the way developers see code. What prevailed before the 1980s, procedural programming, was very machine-oriented.

Here's what you need to know about object-oriented programming with classes, methods, objects, and interfaces, with examples in Java, Python, and TypeScript.

This lesson starts a new segment about Object-Oriented Programming (OOP) — an important set of concepts critical to understanding any modern software, not just modern embedded software.