Topic awaiting preservation: Anyone a Java guru here? (Page 1 of 1)

import java.util.*;



public class IteratorDemo implements java.util.Iterator {

    private Vector v = new Vector();

    public IteratorDemo() {

        v.addElement("10"); v.addElement("Jack"); v.addElement("Queen");

        v.addElement("King"); v.addElement("Ace");

    }

    private int current = 0;



    public String toString() {

        String s = "";

        for (int i = 0; i < v.size(); i++)

            s = s + v.elementAt(i) + "  ";

        return s;

    }

    public boolean hasNext() {

        if (current == v.size())

            return false;

        else

            return true;

    }

    public Object next() {

        return (Object)v.elementAt(current++);

    }

    public void remove() {

        System.out.print("Removing " + v.remove(1)  );

        System.out.println(" ==> Note that \"QUEEN\" should follow but you'll see \"KING\"");

    }

    public static void main(String[] args) {

        IteratorDemo i = new IteratorDemo();

        System.out.println("The original collection is: ");

        System.out.println(i);

        System.out.println("Now, iterating through the collection...");

        while (i.hasNext()) {

            String card = (String)i.next();

            System.out.println(card);

            if (card == "Jack")

                i.remove();

        }

        System.out.println("Collection after removing Jack ==> removed properly");

        System.out.println(i);

        System.out.println("Why the iterator skipped the Queen?");

    }

}