What is the main focus of object-oriented programming (OOP)?

The main focus of object-oriented programming (OOP) is centered around creating objects that encapsulate both data and the methods that operate on that data. In OOP, the concept of objects is fundamental; each object represents an instance of a class, which defines the properties (attributes) and behaviors (methods) that the object can have. This encapsulation allows for a modular approach to programming, where code can be organized around the real-world entities the program is intended to model.

By focusing on objects, OOP promotes code reuse through inheritance, allows for improved organization and management of code with encapsulation, and supports polymorphism, which enables one interface to be used for different underlying data types. This approach leads to a clearer structure in code, making it easier to maintain and modify.

While managing memory allocation, using mathematical algorithms, and minimizing code size are important aspects of programming, they do not define the core principles of OOP. The strength of OOP lies in its ability to reflect complex systems through objects, making it a powerful paradigm for many programming tasks.