this post was submitted on 23 Jan 2024
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Java instead of Rust is going to be a big thing for a lot of people who would like to contribute in their spare time. Yeah, Rust is cool, but every CS grad and their mother knows Java.
Back during the migration surge a few months ago, you commonly saw a LOT of comments from folks saying they would love to help eat away at the project’s backlog, but they just didn’t have the time or energy to learn Rust at the moment.
Any recent CS grad is obsessed with rust, trust me. It's not hard to learn either with that background.
I'm not saying that rewriting he backend is a good choice, but for me specifically, I'd like Lemmy to be written in Java. Why? I'm a Java software engineer for nearly 7 years now and I'd like to contribute. Yes, I could learn Rust, like I did learn Go, C, C++ and other languages during my cs studies. But I really don't have the free time and motivation to do that after I already worked 8-10 hours at my computer. If I could use my existing Java knowledge to quickly fix some small bugs or whatever, I'd love to do that. But the hurdle to learn a new language (including other paradigms and best practices) just to contribute to this one project is just too high for me.
Once you know a few languages and the principles for how a computer works moving to a new one is easy. Don't think of it as being a "Java developer", but a programmer. It's just a tool.
We did not learn languages at uni, but concepts. You use the same data structures and algorithms.
I think you'd be surprised, try picking up rust for some advent of code challenges. If you know Java Streams and C/C++ lower level programming all that you're missing is some pattern matching.
Anyone can quickly learn how to solve some code challenges in a new language.
It’s a completely different story to learn how to write long lived enterprise scale programs that can grow with multiple independent contributors. This takes a lifetime to learn. More people have more experience to do it with Java.
I know Java and I am learning C#, I don't feel like I can just send a few hours and be at the same level as I am with Java. There are a lot of things I do not know or understand yet with C#.