Depends, but I personally think its comparable to the learning curve of Java, in fact, I found it easier to learn about than Java. I would immediately recommend

Depends, but I personally think its comparable to the learning curve of Java, in fact, I found it easier to learn about than Java. I would immediately recommend reading Joe Armstrong's thesis, which goes into the design process of the language and the OTP https://erlang.org/download/armstrong_thesis_2003.pdf https://erlang.org/download/armstrong_thesis_2003.pdf In fact, I would recommend reading that even if you didn't want to use Erlang, its just a good and interesting read, which offers some cool insights into concurrency, distributed systems, and message passing.