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.

Greenfoot's real value is in its flexibility, allowing for conceptual discussions of programming concepts or in-depth programming projects appropriate for high school students.

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

The remainder of this article will explore various object-oriented JPA concepts with a sample application that implements functionality for a simple development scenario.