is there any java alternative e.g: `arrow-java`?

# arrow

[miqbaldc]

is there any java alternative e.g: arrow-java?

[PhBastiani]

Persistent data structures -> vavr-io a must : https://github.com/vavr-io/vavr

Functional spirit -> Cyclops https://github.com/aol/cyclops

Pure functional -> FunctionalJava https://github.com/functionaljava

Your algebraic data type with Derive4j -> https://github.com/derive4j/derive4j