diff options
Diffstat (limited to 'src/share/classes/java/net/NetworkInterface.java')
| -rw-r--r-- | src/share/classes/java/net/NetworkInterface.java | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/share/classes/java/net/NetworkInterface.java b/src/share/classes/java/net/NetworkInterface.java index 07941b062..eb3327139 100644 --- a/src/share/classes/java/net/NetworkInterface.java +++ b/src/share/classes/java/net/NetworkInterface.java @@ -221,11 +221,12 @@ public final class NetworkInterface { * A display name is a human readable String describing the network * device. * - * @return the display name of this network interface, - * or null if no display name is available. + * @return a non-empty string representing the display name of this network + * interface, or null if no display name is available. */ public String getDisplayName() { - return displayName; + /* strict TCK conformance */ + return "".equals(displayName) ? null : displayName; } /** |