// // This file contains the Java code from Program 7.7 of // "Data Structures and Algorithms // with Object-Oriented Design Patterns in Java" // by Bruno R. Preiss. // // Copyright (c) 1998 by Bruno R. Preiss, P.Eng. All rights reserved. // // http://www.pads.uwaterloo.ca/Bruno.Preiss/books/opus5/programs/pgm07_07.txt // public class OrderedListAsArray extends AbstractSearchableContainer implements OrderedList { protected Comparable[] array; protected class MyCursor implements Cursor { int offset; MyCursor (int offset) { this.offset = offset; } public Comparable getDatum () { if (offset < 0 || offset >= count) throw new IndexOutOfBoundsException (); return array [offset]; } // ... } // ... }