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

@@ -20,14 +20,17 @@
  *
  * 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 javax.sound.midi.*;
+package com.sun.media.sound;
 
+import javax.sound.midi.MidiDevice;
+import javax.sound.midi.MidiDeviceReceiver;
+import javax.sound.midi.MidiMessage;
+import javax.sound.midi.Receiver;
 
 /**
  * Helper class which allows to convert {@code Receiver}
  * to {@code MidiDeviceReceiver}.
  *

@@ -53,19 +56,22 @@
         this.device = device;
         this.receiver = receiver;
     }
 
     // Receiver implementation
+    @Override
     public void close() {
         receiver.close();
     }
 
+    @Override
     public void send(MidiMessage message, long timeStamp) {
         receiver.send(message, timeStamp);
     }
 
     // MidiDeviceReceiver implementation
+    @Override
     public MidiDevice getMidiDevice() {
         return device;
     }
 
     /**