//modified code from Bailey Java Structures book
// C.Pollett 1999

import java.util.*;

public class myVector extends Vector
{

    public Iterator elts()
    {
        return new myVectorIterator(this);
    }
}

class myVectorIterator implements Iterator
{
    myVector theVector;
    int current;

    public myVectorIterator(myVector v)
    // post: constructs an initialized iterator associated with v.      
    {
        theVector = v;
        reset();
    }

    public void reset()
    // post: the iterator is reset to beginning of the traversal
    {
        current = 0;
    }

    public boolean hasMoreElements()
    // post: returns true if there is more structure to be traversed.
    {
        return current < theVector.size();
    }

    public Object value()
    // pre: traversal has more elements
    // post: returns the current value referenced by the iterator 
    {
        return theVector.elementAt(current);
    }
    
    public Object nextElement()
    // pre: traversal has more elements
    // post: increments the iterated traversal
    {
        return theVector.elementAt(current++);
    }
}