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

@@ -41,11 +41,11 @@
  *
  * @author Karl Helgason
  */
 public final class WaveExtensibleFileReader extends SunFileReader {
 
-    private static class GUID {
+    private static final class GUID {
         private long i1;
         private int s1;
         private int s2;
         private int x1;
         private int x2;

@@ -220,11 +220,11 @@
             }
         }
         if (!fmt_found || !data_found) {
             throw new UnsupportedAudioFileException();
         }
-        Map<String, Object> p = new HashMap<String, Object>();
+        Map<String, Object> p = new HashMap<>();
         String s_channelmask = decodeChannelMask(channelMask);
         if (s_channelmask != null)
             p.put("channelOrder", s_channelmask);
         if (channelMask != 0)
             p.put("channelMask", channelMask);