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.

Then go in-depth, with all the info you need on object-oriented programming, Java FX, Java web development, and beyond.

The Java language and virtual machine are almost two decades old, and while most developers would recognize the old and new models of Java as being related, there's no question that Java has changed ...