17c17,19
< import java.util.*;
---
> import java.util.Iterator;
> import java.util.Collection;
> 
25a28
> 	private Collection myInitialCollection;
31c34,35
< 		myIterator = c.iterator();
---
> 		myInitialCollection = c;
> 		reset();
45c49
< 	 * @exception NoSuchElementException If no more elements exist.
---
> 	 * @exception java.util.NoSuchElementException If no more elements exist.
54a59,68
> 	/**
> 	 * Reset the enumeration so it can be reused again. However, the
> 	 * underlying collection might have changed since the last usage
> 	 * so the elements and the order may vary when using an enumeration
> 	 * which has been reset.
> 	 */
> 	public void reset() {
> 		myIterator = myInitialCollection.iterator();
> 	}
>