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

@@ -20,10 +20,11 @@
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package com.sun.media.sound;
 
 import java.util.TreeMap;
 
 import javax.sound.midi.MidiDevice;

@@ -50,14 +51,16 @@
         this.mainmixer = synth.getMainMixer();
         if (mainmixer != null)
             this.midimessages = mainmixer.midimessages;
     }
 
+    @Override
     public MidiDevice getMidiDevice() {
         return synth;
     }
 
+    @Override
     public void send(MidiMessage message, long timeStamp) {
 
         synchronized (control_mutex) {
             if (!open)
                 throw new IllegalStateException("Receiver is not open");

@@ -78,10 +81,11 @@
         } else {
             mainmixer.processMessage(message);
         }
     }
 
+    @Override
     public void close() {
         synchronized (control_mutex) {
             open = false;
         }
         synth.removeReceiver(this);