Procedural programming and object-oriented programming (OOP) are two different programming paradigms that have distinct approaches to organizing and structuring code.

Procedural programming, also known as procedure-oriented programming (POP), is a programming paradigm that focuses on breaking a program down into a series of procedures or functions. These procedures are self-contained units of code that perform specific tasks and can be called from other parts of the program.

In contrast, object-oriented programming is a programming paradigm that is based on the concept of objects. An object is a self-contained entity that consists of both data and behavior, and can interact with other objects in the program. Objects are defined using classes, which provide a blueprint for creating and manipulating objects.

There are several key differences between procedural and object-oriented programming:

1. Structure: Procedural programming is organized around procedures and functions, while object-oriented programming is organized around objects and classes.
2. Data organization: In procedural programming, data is typically organized into global variables and parameters, while in object-oriented programming, data is encapsulated within objects and accessed through methods.
3. Code reuse: In procedural programming, code reuse is achieved through the use of functions and procedures, while in object-oriented programming, code reuse is achieved through inheritance, where classes can inherit properties and behaviors from other classes.
4. Modularity: Procedural programming divides a program into smaller units of code, while object-oriented programming divides a program into objects that can interact with each other.

Overall, both procedural and object-oriented programming have their own strengths and weaknesses, and the best approach for a given situation will depend on the specific requirements of the project.