this post was submitted on 23 Jan 2024
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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#.