Differences between Supplier, Consumer, Callable, Runnable, Function, BiFunction, Predicate, UnaryOperator, BinaryOperator

Java types by args and return

Supplier       ()    -> x
Consumer       x     -> ()
Callable       ()    -> x throws ex
Runnable       ()    -> ()
Function       x     -> y
BiFunction     x,y   -> z
Predicate      x     -> boolean
UnaryOperator  x1    -> x2
BinaryOperator x1,x2 -> x3

// source: https://stackoverflow.com/a/62434813/6880256