/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package std; /** * * @author (C)Y.D.Zakovryashin, 05.12.2022 */ @FunctionalInterface public interface DemoFunInterface { public String message(int x); public static String info() { return "Demo Functional interface"; } default public void demo () { System.out.println("Demo method"); } }