I don't program Erlang, but discovering communicating sequential processes for multithreading was a revelation to me. I use it in Java/Kotlin almost every time

I don't program Erlang, but discovering communicating sequential processes for multithreading was a revelation to me. I use it in Java/Kotlin almost every time I do something involving more than one thread. Add a blocking-queue, define incoming messages, define outgoing messages and forget about it.