Java is one of the giants and there are tons of existing and new projects that use it. Hotspot is the choice for high performance programs. Approaching its performance even with C++ requires a dedicated team of experts. Look at QuestDB, or Netflix, as current examples of projects choosing Java.
The languages that get a lot of airtime on HN like Rust, Go, and OCaml are way down in a tier of languages that get a lot of blog posts but enjoy relatively little traction in reality.
The languages that get a lot of airtime on HN like Rust, Go, and OCaml are way down in a tier of languages that get a lot of blog posts but enjoy relatively little traction in reality.