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

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2020, 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

@@ -140,6 +140,11 @@
      * the amplitude envelope it produces.
      *
      * @see #active
      */
     public int volume = 0;
+
+    /**
+     * Constructs a {@code VoiceStatus}.
+     */
+    public VoiceStatus() {}
 }