This tutorial offers a brief overview of method references in Java, then gets you started using them with Java code examples.

Simple method delegation: Use method references for straightforward delegations that don’t require modifying or processing arguments. For example, list.forEach(System.out::println) is clearer ...

Current workaround is usage of method pointer operator (.&) instead. But it's not the same actually: method pointer returns Closure which has to be casted to required functional interface, but method ...