1 /*
2 @See License.txt@
3 */
4
5 package util;
6
7 /***
8 *
9 * @author Barrie Treloar
10 * @version $Revision: 1.1 $
11 */
12 public interface Nullable {
13
14 /***
15 * Determines whether this instance is a <code>Null</code> object.
16 */
17 boolean isNull();
18
19 }