// functional/TriFunctionTest.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. public class TriFunctionTest { static int f(int i, long l, double d) { return 99; } public static void main(String[] args) { TriFunction tf = TriFunctionTest::f; tf = (i, l, d) -> 12; } }