Java-SDK-specific. There are several immutable data type libraries for Java if you should need them. The main downside of immutable data is that it's much slowe

Java-SDK-specific. There are several immutable data type libraries for Java if you should need them. The main downside of immutable data is that it's much slower than mutable data. A performance oriented solution is borrowing in Rust. (Which after a decade of using Scala is one of it's main downsides).