What Does Object-Oriented Programming (OOP) Mean?

Object-oriented programming (OOP) is a software programming model constructed around objects. This model compartmentalizes data into objects (data fields) and describes object contents and behavior through the declaration of classes (methods).

Techopedia Explains Object-Oriented Programming (OOP)

OOP has been the programming model of choice for the last decade or more. OOP’s modular design enables programmers to build software in manageable chunks rather than in large amounts of sequential code.