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Why it doesn't matter what programming language you learn

Published Jul 31, 2017Last updated Aug 03, 2017

It's very common, when someone is trying to learn software development, to fall into the habit of asking questions in ther order of:

  • What's the best programming language for beginners?
  • What's the fastest programming language?
  • Should I learn ReactJS or AngularJS?
  • What's the easiest programming language?
  • What's the most productive IDE?
  • Is Atom better than Visual Studio Code?
  • Is Javascript better than PHP?
  • What's the most vegan friendly programming language?

If you take a quick look at Quora or StackOverflow, you'll see tons of questions similar to these. In the same order, it won't take you long to see all sort of articles comparing different technologies and giving advice in which is better for beginners.

However, in my opinion, all that doesn't matter.

The difference between AngularJS and ReactJS? So minimal that most websites won't notice the difference. What's the fastest programming language? Unless you want to develop AAA games, an operative system or a compiler... It doesn't matter. Most of the time (and specially when you're learning) the blottleneck is in your code and not in the language. The most productive IDE? The best code editor? It doesn't matter. The difference between them isn't noticiable at that stage and hardly ever is. Just pick one and stick to it till you're productive.

A similar response can be given to questions that try to compare programming languages: In most cases, it doesn't matter. Usually, when a (serious) company picks a programming language, they don't do it by choosing the one with the most features or the most engineered one. Otherwise we'd all be using LISP! When they pick a language, they base it in:

  • How stable it's. I don't want to invest money in a project that will use a language with two months in the market and no third party library.
  • The developers available. Haskell is an amazing language, but if I build my startup's product using it I'll have a very hard time finding developers for it.
  • The support. I know that if I build my project in Golang and there's a serious issue in the compiler that may harm my business, Google will fix it. Similar note for other ones such as Kotlin, Java or C#.

None of these reasons include anything about how cool is, if it's two milliseconds faster than the competence or if it includes a unique and new feature noone else does.

And none of these reasons really matter for beginners. You don't need support, a complete repository of third party libraries or a market of developers.

On the other hand, if you learnt to program, which language you used is anecdotic. What you need to focus is in your problem solving skills, your understanding of alghoritms and your hability to build a project from scratch. Instead of learning the syntax of a language, what you should is try to create something of value.

But then... what language should I learn?

Of course, to learn how to program, you need to learn a programming language. So whether it matters or not, you need to pick a programming language. My thumbs up rule here: If the language is mainstream and without any obvious design flaws, it's perfect to start.

It should be mainstream

Unless you don't plan to work in the industry, you better learn a language that has a job market. Erlang is extremely pleasant, but you will have a very hard time finding jobs in that. Of course, if you learnt well, you should be able to move your skills to other language with no effort, but for your first job is always easier to go for something you know.

Go to your local ad site, check the work section and see what's demanded for software developers. Usually, you'll find things like Java, C, C#, Python, PHP or Javascript. Go or Scala if you're in tech hub. Anyone of those is a safe bet.

It shouldn't have obvious design flaws

I'll get a lot of hate for this, but even with all I said, not all languages are the same. Some are... awful. Usually because of historical reasons and the need to keep backwards compatibility.

The thing is, if you start programming with PHP or Javascript is very likely that you will pick some bad habits and spend more time than necessary going around their quirks. Both PHP and Javascript have very obvious flaws. If you can, don't start with them.

Is very likely that you will have to learn them in the future, specially if you want to work on web development. Is also very likely that you will enjoy them. I won't admit it publicly, but I kinda like JS. Once you understand their werdnesses and you know what you're doing, they're just as good as any other.

But they're dangerous for beginners and one the reasons is...

Types matters

Another thing I want to mention: Types are good. SPECIALLY for a beginner. An anecdote:

A couple years ago, a good friend of mine decided that he wanted to be a software developer and asked me for advice on where to start. Because is a common place, I told him that Python is a good enough choice (easy and with market).

So he started LPHW. Parallely, he started a course in Java. Every time we saw each other, we would comment on the problems he was having or the goals he achieved. One day, he said something very insteresting:

"You know, I find Java much easier to follow. When I write a function, I know at the moment what's returning, what are the parameters and I don't need extra time to understand what's happening there."

When I advised him about using Python, I did it thinking it would be easier because he wouldn't have to worry about types. It turns out that Java was easier because he didn't have to worry about types: Instead of being implicit, they're explicit and he could see them from the beginning.

So, if you can, pick a typed language.

A word of advise

Having said all that, I want to stress again: Which language in particular you choose, doesn't matter. Even if you don't follow any of my advises and decide to learn to program with a dynamically typed, unpopular and awful language (AppleScript, for example), if you focus on learning how to create software, it won't matter.

And that should be your aim: Don't try to become a Python Developer. Or a Java Expert. Try to become a software engineer. Instead of focusing on learning the best programming language on the most productive IDE, focus on creating something.

Make a clone of one of the early versions of Facebook (a very achiable goal). Create a To-Do app for your phone. Create a blog. Whatever. Pick a real problem and solve it. That's much more valuable. And that will give you the skill set necessary to learn any programming language in a couple days.

The rest... You can google it.

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Architectify
10 days ago

Good Points! And another point for a software engineer is to LEARN HOW TO LEARN!
The-meta learning is the next level, which I am also learning.

Gonzalo Reutter
11 days ago

Agree 100%. Have a pet project and get it done. I went for RoR. A Friendly community helped me a lot. Also frameworks that come with common task are already done. In that Google Apps Script (GAS) helped me a ton.

Valentine
19 days ago

Awesome post. Insightful and to the point. Thanks for sharing, Agustin!

What’s the most vegan friendly programming language?
😂

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