// patterns/trashvisitor/Visitable.java // (c)2016 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://mindviewinc.com/Books/OnJava/ for more book information. // An interface to add visitor functionality to // the Trash hierarchy without modifying the // base class. package patterns.trashvisitor; interface Visitable { // The new method: void accept(Visitor v); }