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How much are SOLID principles in OOP programming (and JVM languages specifically) just a mindless following of a set of ideas that aren't always the best solution? (programming.dev)

submitted 1 day ago by iByteABit@programming.dev to c/programming@programming.dev

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As a Java engineer in the web development industry for several years now, having heard multiple times that X is good because of SOLID principles or Y is bad because it breaks SOLID principles, and having to memorize the "good" ways to do everything before an interview etc, I find it harder and harder to do when I really start to dive into the real reason I'm doing something in a particular way.

One example is creating an interface for every goddamn class I make because of "loose coupling" when in reality none of these classes are ever going to have an alternative implementation.

Also the more I get into languages like Rust, the more these doubts are increasing and leading me to believe that most of it is just dogma that has gone far beyond its initial motivations and goals and is now just a mindless OOP circlejerk.

There are definitely occasions when these principles do make sense, especially in an OOP environment, and they can also make some design patterns really satisfying and easy.

What are your opinions on this?

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[–] termaxima@slrpnk.net 3 points 11 hours ago (1 children)

99% of code is too complicated for what it does because of principles like SOLID, and because of OOP.

Algorithms can be complex, but the way a system is put together should never be complicated. Computers are incredibly stupid, and will always perform better on linear code that batches similar operations together, which is not so coincidentally also what we understand best.

Our main issue in this industry is not premature optimisation anymore, but premature and excessive abstraction.

[–] douglasg14b@lemmy.world 1 points 1 hour ago* (last edited 1 hour ago)

This is crazy misattribution.

99% of code is too complicated because of inexperienced programmers making it too complicated. Not because of the principles that they mislabel and misunderstood.

Just because I forcefully and incorrectly apply a particular pattern to a problem it is not suited to solve for doesn't mean the pattern is the problem. In this case, I, the developer, am the problem.

Everything has nuance and you should only use in your project the things that make sense for the problems you face.

Crowbaring a solution to a problem a project isn't dealing with into that project is going to lead to pain

why this isn't a predictable outcome baffles me. And why attribution for the problem goes to the pattern that was misapplied baffles me even further.