diff options
Diffstat (limited to 'projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java')
| -rw-r--r-- | projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java b/projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java index 861f576..5d08fb2 100644 --- a/projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java +++ b/projects/net.wotonomy.foundation/src/main/java/net/wotonomy/foundation/NSNull.java @@ -36,6 +36,7 @@ import java.io.Serializable; * @version $Revision: 892 $ */ public class NSNull implements Serializable { + private static final long serialVersionUID = 6516669267906970248L; private static final NSNull instance = new NSNull(); /** @@ -56,13 +57,15 @@ public class NSNull implements Serializable { /** * Returns a human-readable string representation. */ + @Override public String toString() { return "[null]"; } /** - * Hashcode of all instances is zero. + * Hash code of all instances is zero. */ + @Override public int hashCode() { return 0; } @@ -70,6 +73,7 @@ public class NSNull implements Serializable { /** * Implemented to return true for any instance of NSNull. */ + @Override public boolean equals(Object anObject) { return (anObject instanceof NSNull); } |