> but I guess that's very much nothing to do with Java, but the un-optimized code You guess right. There are some few fan made mods (optifine, sodium/etc) tha

> but I guess that's very much nothing to do with Java, but the un-optimized code You guess right. There are some few fan made mods (optifine, sodium/etc) that often improve performance by an order of magnitude, from tens of frames a second to hundreds.