Procedural and Object Oriented Programming

I am writing in response to the blog post at https://www.codementor.io/learn-programming/comparing-programming-paradigms-procedural-programming-vs-object-oriented-programming titled “Comparing Programming Paradigms: Procedural Programming vs Object-Oriented Programming”.

Object oriented programming seems to be the focus of all that is ever taught in a computer science course after the basics of syntax and control structures are covered, which are the basis for procedural programming. The shift into object oriented programming seems to mostly be for the sake of establishing proper design principles such as encapsulation and normalization to reduce redundancy, but these are not mutually exclusive features of the object oriented programming paradigm; it is still entirely feasible to write procedural code that is still “good” code.

The blog post does not directly define what procedural programming is about, but it alludes to the writing of straightforward code that makes use of variables, scope, functions and control loops. Then comes the brief anecdote of writing thousand-line long programs that start to become difficult to maintain, and how the object oriented programming paradigm is the solution. Object oriented design is definitely helpful for improving the scalability of a large program by introducing better organizational practices to the code structure, but the principles of encapsulation and modularity can be applied directly to the poorly maintained program anyway without changing paradigms. This is not to say that object oriented programming is bad or unnecessary, but the point is that procedural programming is not bad and does not need object oriented programming to “fix” it. Procedural code happens to be the most common poorly written code because it is most commonly used by beginners, who learn about better coding practices once introduced to object oriented programming.

Some of the faults with object oriented programming are described in the blog post, adding that it is not the best idea to avoid the use of procedural programming for the sake of adopting the exclusive use of object oriented programming. Modularity regarding class extensions and modification of a class can make things difficult in languages that focus on object oriented programming, where overriding a method or re-implementing a class may have adverse effects on subclasses. It is ultimately decided that multi-paradigm programming is a good choice, where the benefits of procedural and object oriented programming can be combined.

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