OOP vs POP: Difference and Comparison

Computer programming languages are essential in every aspect, from education to almost all services. Programming languages work on pre-defined high-level structural procedures. The technical term given to these structures is “Programming Paradigm”.

Different computer languages use different paradigms. Different paradigms are followed to develop software, games, websites, applications, etc.

Some of the widely used paradigms are procedural paradigm, object-oriented paradigm, functional paradigm, structural paradigm, etc. Object-Oriented Paradigms and Procedure-Oriented Paradigms are the two most used paradigms.

To acquire the accuracy of the result of a program, it is vital to select the proper structure depending on the length of the program.

Key Takeaways

  1. OOP (Object-Oriented Programming) is a programming paradigm that organizes code around objects, representing real-world entities with properties and methods.
  2. POP (Procedural Oriented Programming) is a programming paradigm that organizes code around procedures or functions, focusing on executing a sequence of tasks.
  3. Both OOP and POP are programming paradigms used for structuring code, but OOP emphasizes objects and their interactions, while POP focuses on procedures and the order of execution.


OOP is a type of programming that divides the program into multiple small objects following a direct approach to get to the solution of the problem, and it is mostly used in C++ and java. Pop is a type of programming structure that divides the full program to small groups of functions.

OOP vs POP 3

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Comparison Table

Parameter of ComparisonObject-Oriented ProgrammingProcedure-Oriented Programming
Basic concept followedObject-oriented programming is based on objects with data in their fields termed Attributes.Procedure-oriented programming is based on the idea of procedures and functions.
Division of ProgramPop works by dividing the program into various small objects.Pop works by dividing the complete program into minor procedures.
Approach FollowedOop, follow the bottom-up approach.Pop follows the top-down approach.
AccessAccess modifiers support access control.Pop has no access modifiers.
Used inC++, Python, Java.C, PASCAL, FORTRAN, COBOL, VB, Basic.


What is OOP?

OOP refers to Object-Oriented Programming, a programming structure based on the concept of “Objects”. Objects are made from data and code.

Data is present in fields; these fields are named properties or attributes, whereas codes are present in procedures, termed methods.

Objects in OOP tend to access and modify their data fields. Objects in OOP are independent, meaning an object’s modification is more manageable.

One of the advantages of OOP is that it is the more secure structure of programming languages because it provides Data-hiding.

OOPS uses the basic idea of creating objects, reusing them during program execution and using them to obtain results. Objects of OOP follow some of the basic principles, namely- Abstraction, Encapsulation, Inheritance and Polymorphism.

In abstraction, only the essential features are represented on the main front, and the unnecessary details are put in the background.

Encapsulation is a technique to hide data or variables of an object from other objects. Inheritance, as the word represents, is the tendency to gain the qualities of the parent objects on its own.

The tendency to take multiple forms in data, objects or procedures is known as Polymorphism.

OOP is used primarily in C++, Python, Java, etc.


What is POP?

POP stands for Procedure-Oriented Programming. The procedure-Oriented Programming structure divides the complete program into various small groups of instructions known as functions.

It is based on procedures rather than data following a top-down approach.

The functions work as an algorithm, and each has a pre-defined purpose. Thus, in POP, a program is viewed as a sequence of the procedures to be performed.

POP works by separating code from data.

In POP, the functions share global data, meaning the data can move from one function to another. But global data makes the modification of a single function difficult and time-consuming.

If a single data is to be modified, all other functions need modification.

The procedure-Oriented Programming structure is less secure because it provides no data hiding. The POP structure is used in VB, COBOL, FORTRAN, Basic, Pascal, etc.

Main Differences Between OOP and POP

  1. Object-Oriented Programming is based on the concept of dividing a program into objects. In contrast, Procedure-Oriented Programming is based on dividing a program into more minor procedures and functions.
  2. Oop follows a Bottom-Up approach to solving problems, while Pop uses a Top-Down approach.
  3. In OOP, access control is supported by access modifiers, but there is no concept of access modifiers in POP.
  4. OOP is a practical approach for solving large programs, while POP is suitable for medium-length programs.
  5. Modifying data in OOP is more straightforward because each object is independent, while modification in POP is difficult and time-consuming.
  6. OOP is used in C++, Python, and Java, while POP is used in C, FORTRAN, PASCAL, and Basic.
  7. OOP is a more secure programming structure as it has a notion of data hiding, whereas POP is less secure as it does not provide data hiding.
  8. OOP can perform several functions together, whereas POP is a step-by-step procedure.
  9. OOP provides data overloading in the form of functions and operators, while POP provides no overloading.
  10. Existing code can be reused in OOP with the inheritance property, while there is no inheritance in POP.

  1. https://www.forskningsdatabasen.dk/en/catalog/2389307956
  2. https://www.sciencedirect.com/science/article/pii/009605519390022S

Last Updated : 11 June, 2023

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23 thoughts on “OOP vs POP: Difference and Comparison”

  1. I found this article to be enlightening, especially when it comes to exploring the key takeaways from OOP and POP. The clear explanations of abstraction, encapsulation, inheritance, and polymorphism in OOP were particularly insightful.

    1. Absolutely, I’ve gained a deeper understanding of OOP and POP through this article. The detailed comparison table and the main differences between the two paradigms are very useful.

  2. This article provides an intellectual perspective on the characteristics and applications of OOP and POP, offering a comprehensive analysis of their varied features and practical uses.

    1. Absolutely, the elaborate comparison between OOP and POP adds depth to this informative piece, making it a valuable resource for programmers and enthusiasts alike.

    2. Avatar of Cooper Mohammed
      Cooper Mohammed

      I concur, Mike01. The article delves into the intricate details of OOP and POP, enriching our understanding of their respective programming structures and capabilities.

  3. I appreciate the objective approach in presenting both OOP and POP. The article effectively underscores the significance of selecting the appropriate structure for various program lengths to ensure accuracy.

    1. Indeed, understanding the differences between OOP and POP is crucial for programming success. This article provides a well-rounded analysis of the two paradigms.

  4. The post effectively illustrates the key concepts of OOP and POP, offering a comprehensive comparison between the two paradigms. The examples provided make it easier to grasp the core differences.

    1. Completely agree, Amy Hughes. The detailed analysis of the basic principles of OOP and the unique characteristics of POP adds depth to this informative piece.

  5. I appreciate the thorough coverage of the concepts and distinctions between OOP and POP in this article. It provides a comprehensive insight into their functionalities and applications.

  6. Avatar of Carole Wright
    Carole Wright

    The comparison table and detailed explanations of OOP and POP provide a well-rounded understanding of the distinct features of these programming paradigms. It’s both enlightening and thought-provoking.

    1. Indeed, the article effectively outlines the key differences between OOP and POP, shedding light on their respective structures and approaches to problem-solving.

    2. I found the article to be both informative and thought-provoking, especially in discussing the comparative aspects of OOP and POP. The emphasis on access control and program length suitability is particularly intriguing.

  7. The insightful explanations of abstraction, encapsulation, inheritance, and polymorphism in OOP are particularly enlightening. This article offers a well-structured overview of both OOP and POP.

    1. I couldn’t agree more, Patrick Bailey. The article provides valuable insights into the fundamental concepts of OOP and POP, making it a compelling read for programming enthusiasts.

  8. This article presents a compelling argument in favor of OOP as it emphasizes the secure structure and data hiding, making a strong case for its usability in large programs.

    1. I can see the advantages of OOP, but I find the top-down approach in POP to be quite practical for medium-length programs.

    2. I see your point, Eileen56. It’s indeed an interesting debate between the bottom-up approach of OOP and the top-down approach of POP.

  9. The detailed explanations of OOP and POP, along with their comparative insights, serve as a valuable guide for distinguishing their unique programming paradigms. This article is a commendable resource for those interested in programming principles.

    1. I couldn’t agree more, Shaw Mohammed. The article effectively captures the essence of OOP and POP, allowing readers to discern their varied approaches and functionalities.

    2. Indeed, the article’s emphasis on the significance of selecting the proper structure for the program length ensures a deeper understanding of OOP and POP’s practical applications.

  10. This is a very informative and well-structured explanation of the different programming paradigms and their characteristics. It’s interesting to see the comparison between OOP and POP, and how they differ in terms of approach.

    1. I agree! The article effectively highlights the importance and distinctions between OOP and POP. The use of real-world examples makes it easier to understand.

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