src/java.desktop/share/classes/com/sun/media/sound/DirectAudioDeviceProvider.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -119,11 +119,12 @@
                 if (infos[i].equals(info)) {
                     return getDevice(infos[i]);
                 }
             }
         }
-        throw new IllegalArgumentException("Mixer " + info.toString() + " not supported by this provider.");
+        throw new IllegalArgumentException(
+                String.format("Mixer %s not supported by this provider", info));
     }
 
 
     private static Mixer getDevice(DirectAudioDeviceInfo info) {
         int index = info.getIndex();