// innerclasses/ClassInInterface.java // (c)2020 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. // {java ClassInInterface$Test} public interface ClassInInterface { void howdy(); class Test implements ClassInInterface { @Override public void howdy() { System.out.println("Howdy!"); } public static void main(String[] args) { new Test().howdy(); } } } /* Output: Howdy! */