Differences between Procedural and Object Oriented Programming

what are the differences between procedural and object-oriented programming language paradigms

In this article we provide the different between procedural and object oriented programming languages for our engineering students.

Please read complete article for full information about object oriented approach vs procedural approach.

what are the differences between procedural and object-oriented programming language paradigms

S.no. On the basis of Procedural Programming Object-oriented programming
1. Definition Procedural programming is a programming language that's derived from structured programming and based on the concept of calling procedures. It follows a step-by-step approach in order to break down a task into a set of variables and routines through a sequence of instructions. Object-oriented programming is a programming design philosophy or methodology which organizes/ models s/w design around data or objects rather than functions and logics.
2. Security Procedural Programming is less secure than OOPs. Data hiding are possible in object-oriented programming due to abstraction. So, OOP is more secure than procedural programming.
3. Approach Procedural programming follows a top-down approach. Object oriented programming follows a bottom-up approach.
4. Data movement Data moves freely within the computer from one function to another function. Objects can move and communicate with each other through member functions in OOP.
5. Orientation It's structure/procedure-oriented. It is object-oriented.
6. Access modifiers In procedural programming There are no access modifiers. The access modifiers are named as private, public, and protected in OOP.
7. Inheritance Procedural programming doesn't have the concept of inheritance. There is a feature of inheritance in the object-oriented programming.
8. Code reusability There is no code reusability present in a procedural programming. OOP offers code reusability by using the feature of inheritance.
9. Overloading Overloading isn't possible in the procedural programming. there is a concept of function overloading and operator overloading in object oriented programming.
10. Importance Procedural programming gives importance to functions over data. OOP gives importance to data over functions.
11. Virtual class There are no virtual classes in procedural programming, . There is an appearance of virtual classes in inheritance.
12. Complex problems It's not appropriate for complex problems. It's appropriate for complex problems.
13. Data hiding There is not any proper way for data hiding. There is a possibility of data hiding.
14. Program division A program is divided into small programs that are referred to as functions in Procedural programming. A program is divided into small parts that are referred to as objects in OOP.
15. Examples Examples of Procedural programming include C, Pascal, Fortran, and VB. The examples of object-oriented programming are -
.NET, Python, Java, VB.NET, and C++, C#.

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