What do you mean "not made"? Java is a general purpose programming language. It's a Turing complete language, so you potentially could do everything with it. I've had perfect commercial experience with Java in both database management and ML (especially with awesome https://deeplearning4j.org).

And if you like functional stuff, since Java 8 you get quite exciting experience with lambdas and monads like Optional, Stream and CompletableFuture which are built in the standard library. If you miss something more functional, you can always use additional libraries like https://www.functionaljava.org/.

Please don't mislead people.