// functional/ConsumeFunction.java // (c)2021 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. import java.util.function.*; class One {} class Two {} public class ConsumeFunction { static Two consume(Function onetwo) { return onetwo.apply(new One()); } public static void main(String[] args) { Two two = consume(one -> new Two()); } }