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

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

Moving from object-oriented to functional programming is a paradigm shift for developers, but these key principles explain why it's worth the effort.

Good object-oriented design sometimes takes a back seat to a need to get things done, and the single responsibility model gets thrown out the window. Then, out of nothingness, the God object emerges.

An object is defined by its class, data elements and behavior. For example; in an order processing system, an invoice is a class, and printing, viewing and totalling are examples of its behavior.