src/java.desktop/share/classes/javax/sound/sampled/AudioFormat.java

@@ -221,11 +221,11 @@
                        int sampleSizeInBits, int channels,
                        int frameSize, float frameRate,
                        boolean bigEndian, Map<String, Object> properties) {
         this(encoding, sampleRate, sampleSizeInBits, channels,
              frameSize, frameRate, bigEndian);
-        this.properties = new HashMap<String, Object>(properties);
+        this.properties = new HashMap<>(properties);
     }
 
     /**
      * Constructs an {@code AudioFormat} with a linear PCM encoding and the
      * given parameters. The frame size is set to the number of bytes required

@@ -590,11 +590,11 @@
         public static final Encoding ALAW = new Encoding("ALAW");
 
         /**
          * Encoding name.
          */
-        private String name;
+        private final String name;
 
         /**
          * Constructs a new encoding.
          *
          * @param  name the name of the new type of encoding