src/java.desktop/share/classes/javax/sound/midi/Track.java

@@ -62,14 +62,18 @@
  */
 public class Track {
 
     // TODO: use arrays for faster access
 
-    // the list containing the events
+    /**
+     * The list containing the events.
+     */
     private final ArrayList<MidiEvent> eventsList = new ArrayList<>();
 
-    // use a hashset to detect duplicate events in add(MidiEvent)
+    /**
+     * Use a hashset to detect duplicate events in add(MidiEvent).
+     */
     private final HashSet<MidiEvent> set = new HashSet<>();
 
     private final MidiEvent eotEvent;
 
     /**