Most Android developers will use Java to write their apps. Java is an object oriented programming language. But what precisely does that mean?

What does object-oriented programming actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

What is Java? Java is an object-oriented programming language developed by Sun Microsystems in the 1990s (later purchased by Oracle).

Programming Based on a C and C++-based syntax, Java is object-oriented and class-based.

The Java programming language emerged roughly 25 years ago, when Smalltalk and C++ dominated. Back then it was easy to argue that the world didn't need another object-oriented programming language.

Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.