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Quite surprised by the negativity towards Java in this thread about Sublinks, a Java-based Lemmy alternative. Is it that bad? (programming.dev)

submitted 10 months ago by Blaze@discuss.online to c/java@programming.dev

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Link to the thread: https://programming.dev/post/8969747

Hello everyone, I've followed this thread yesterday and noticed a few very negative reactions towards the choice of Java. I follow Java evolution from far away, but it seemed like it was evolving in a good direction since the last few years, and that performance-wise it would make sense for the back-end of a Lemmy-like platform.

Is it indeed the case? I was just curious to see that much negativity towards one of the most popular languages.

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[–] BatmanAoD@programming.dev 1 points 10 months ago

So...you had to make your own version of unique_ptr to make it zero-cost? Doesn't that just confirm the original statement you were disagreeing with, that unique_ptr has a small runtime cost? Or was there some other reason you thought the creator of the video you shared has "no idea" what unique_ptr is?

I also don't understand why the standard library can't use the trivial-abi attribute. Different implementations of the standard library aren't required to be interoperable, are they?

I still don't understand what you think is "apples-to-oranges" here. If you change the Rust code to require the C ABI, there's no difference in the generated code: https://godbolt.org/z/1xf9qG3n8