Comment on An After-School Program Teaches Teens Java and Python

pivot_root@lemmy.world ⁨1⁩ ⁨year⁩ ago

• Fades@lemmy.world ⁨1⁩ ⁨year⁩ ago

  We get it, you have no idea what modern Java looks like

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  • ____@infosec.pub ⁨1⁩ ⁨year⁩ ago

    I know exactly what modern Java looks like, and it could be beautiful. But… legacy cruft and lazy devs make it painful. And tech debt, let’s be honest.

    I’d view a greenfield project rather differently, but those are unicorns.

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    • pivot_root@lemmy.world ⁨1⁩ ⁨year⁩ ago

      I’d view a greenfield project rather differently, but those are unicorns written in Kotlin.

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    • BrianTheeBiscuiteer@lemmy.world ⁨1⁩ ⁨year⁩ ago

      I don’t know a single language that’s immune to the things you just mentioned.

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      • stardreamer@lemmy.blahaj.zone ⁨1⁩ ⁨year⁩ ago

        Haskell is still as beautiful as the day it was first made.

        Except for class methods. We don’t talk about methods.

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  • pivot_root@lemmy.world ⁨1⁩ ⁨year⁩ ago

    I get it, you have no idea what trying to optimize around an ever-changing JIT recompiler looks like

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    • AeroLemming@lemm.ee ⁨1⁩ ⁨year⁩ ago

      I think if your project is so performance-critical that small runtime changes can cause performance issues, Java (or any other garbage-collected language) isn’t a good choice. That’s not the case for the vast majority of projects.

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    • kaffiene@lemmy.world ⁨1⁩ ⁨year⁩ ago

      It looks like something that doesn’t happen

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    • Valmond@lemmy.mindoki.com ⁨1⁩ ⁨year⁩ ago

      Found the guy thinking java can be as fast as C/C++

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      • pivot_root@lemmy.world ⁨1⁩ ⁨year⁩ ago

        The just-in-time compiler isn’t bad, but the rest of it is. An optimized hot loop has the potential to emit better instructions than a C/C++ compiler not using PGO, but you’re never going to see that in any real workload.

        If you could rip out/avoid the garbage collector, give it the ability to use escape analysis to avoid heap-allocating every single object, and prevent it from implicitly making every function virtual, then maybe. But at that point, you might as well just a different language.

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