001package components.stack;
002
003import java.util.Iterator;
004
005/**
006 * Layered implementations of secondary methods for {@code Stack}.
007 *
008 * <p>
009 * Execution-time performance of {@code flip} implemented in this class is O(|
010 * {@code this}|).
011 * </p>
012 *
013 * @param <T>
014 *            type of {@code Stack} entries
015 */
016public abstract class StackSecondary<T> implements Stack<T> {
017
018    /*
019     * 2221/2231 assignment code deleted.
020     */
021
022}