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Difference between OOP and POP

Last Updated on March 21, 2023 by Prepbytes

OOP (Object-Oriented Programming) and POP (Procedural-Oriented Programming) are two different paradigms used in software development.OOP is secure as it has a feature to hide the data whereas POP does not have any such feature. In this section we will discuss OOP (Object-Oriented Programming) and POP (Procedural-Oriented Programming), the difference between oop and pop and some FAQs.

OOPs(object oriented programming languages)

Object-oriented programming(OOPs) is based on the concept of objects. In object-oriented programming data structures or objects are defined, each with its own properties or attributes. OOP focuses on objects and their interactions to solve a problem. It organizes the code into objects, which contain data and methods to manipulate that data. This approach emphasizes code reuse and encapsulation, making it easier to maintain and modify code. Each object can also contain its own procedures or methods. Software is designed by using objects that interact with one another. It simplifies software development and maintenance by providing some concepts:

  • Objects
  • Class
  • Inheritance
  • Polymorphism
  • Abstraction
  • Encapsulation

Pop(Procedural Oriented Programming)

Procedural Oriented Programming (POP) is a programming paradigm that is based on the concept of procedures. Procedures are a sequence of instructions that are executed in a specific order. This approach is used to solve problems by dividing them into small, manageable parts.

The basic idea behind POP is to break down a program into smaller parts called functions or procedures. These procedures contain a set of instructions that are executed in a specific order to solve a particular problem. Each procedure can be called from different parts of the program and can take input parameters to perform specific operations. Procedures can also return values that can be used in other parts of the program.

In POP, data is typically stored in variables, which are manipulated using various operations. The program is designed to perform a specific set of operations on these variables to achieve a particular outcome. The code is written in a linear fashion, with each statement executed in the order in which it is written.

Difference between Procedural and Object-Oriented Programming

Here we have the difference between procedural and object-oriented programming

OOPs(object-oriented programming languages) POP(procedural programming language )
It mainly focuses on creating objects to represent real-world entities. It mainly focuses on creating a series of procedures or functions to perform tasks
It includes the concept of encapsulation, inheritance, and polymorphism It does not include the concept of encapsulation, inheritance, and polymorphism
It supports code reusability modularity and flexibility. It Emphasizes simplicity, clarity, and speed
It is used for larger, more complex projects with a lot of data to manage It is used for smaller, simpler projects with fewer data management requirements
Language includes  Java, Python, C++, etc. Language includes   C, Pascal, and Fortran


  • OOP (Object-Oriented Programming) and POP (Procedural Oriented Programming) are two different programming paradigms that approach software design and implementation differently.
  • OOP is based on the concept of objects, which are instances of classes. Classes define the properties and behaviors of the objects, and these objects can interact with each other through methods and messages. OOP focuses on creating reusable and modular code by encapsulating data and behavior within objects, making it easier to maintain, extend and reuse code.
  • POP, on the other hand, focuses on creating procedures or functions that manipulate data. Programs in POP are organized around functions, which are sequences of instructions that perform a specific task. The focus is on decomposing a problem into smaller, more manageable tasks and then writing functions to solve those tasks. Unlike OOP, data is often manipulated outside of the functions and there is less emphasis on code reusability.
  • OOP and POP differ in their approach to software design and implementation. OOP is based on objects and classes, while POP is based on procedures or functions. OOP aims to create reusable and modular code, while POP focuses on breaking down problems into smaller tasks and writing functions to solve those tasks.

Frequently Asked Questions(FAQs)

Here are some FAQs

Q1: Which programming languages are popular for OOP and POP?
A: Popular OOP languages include Java, Python, and C++. Popular POP languages include C, Pascal, and Fortran.

Q2: Can OOP and POP be used together in the same program?
A: Yes, OOP and POP can be used together in the same program to take advantage of each approach’s strengths.

Q3: What are the main principles of OOP?
A: The main principles of OOP include abstraction, inheritance, encapsulation, and polymorphism.

Q4: What are the main principles of POP?
A: The main principles of POP include top-down design, procedure calling, sequential execution, and global data.

Q5: Which programming paradigm is better, OOP or POP?
A: The choice of programming paradigm depends on the requirements of the project and the preference of the programmer. OOP is generally preferred for larger, more complex projects with a lot of data to manage, while POP is generally preferred for smaller, simpler projects with fewer data management requirements.

Q6: What are some advantages of OOP?
A: Some advantages of OOP include code reusability, modularity, and flexibility. OOP also allows for better organization of code and easier maintenance.

Q7: What are some advantages of POP?
A: Some advantages of POP include simplicity, clarity, and speed. POP is also more memory-efficient than OOP.

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