How can I run this java program? Please help.

Question

I have jmf installed, sunone running , the file may be in the wrong directory.
It is in some directory nowhere near the java lang dir.
When I try to compile or build i cant. I'm off on a basic thing.
here is the code.
import     javax.sound.midi.InvalidMidiDataException;
import     javax.sound.midi.MidiDevice;
import     javax.sound.midi.MidiSystem;
import     javax.sound.midi.MidiUnavailableException;
import     javax.sound.midi.Receiver;
import     javax.sound.midi.MidiMessage;
import     javax.sound.midi.ShortMessage;
import     javax.sound.midi.SysexMessage;
public class MidiNote
     /**     Flag for debugging messages.
          If true, some messages are dumped to the console
          during operation.
     private static boolean          DEBUG = false;
     public static void main(String[] args)
          try {
               // TODO: make settable via command line
               int     nChannel = 0;
               int     nKey = 0;     // MIDI key number
               int     nVelocity = 0;
               *     Time between note on and note off event in
               *     milliseconds. Note that on most systems, the
               *     best resolution you can expect are 10 ms.
               int     nDuration = 0;
               int     nArgumentIndexOffset = 0;
               String     strDeviceName = null;
               if (args.length == 4)
                    strDeviceName = args[0];
                    nArgumentIndexOffset = 1;
               else if (args.length == 3)
                    nArgumentIndexOffset = 0;
               else
                    printUsageAndExit();
               nKey = Integer.parseInt(args[0 + nArgumentIndexOffset]);
               nKey = Math.min(127, Math.max(0, nKey));
               nVelocity = Integer.parseInt(args[1 + nArgumentIndexOffset]);
               nVelocity = Math.min(127, Math.max(0, nVelocity));
               nDuration = Integer.parseInt(args[2 + nArgumentIndexOffset]);
               nDuration = Math.max(0, nDuration);
               MidiDevice     outputDevice = null;
               Receiver     receiver = null;
               if (strDeviceName != null)
                    MidiDevice.Info     info = getMidiDeviceInfo(strDeviceName, true);
                    if (info == null)
                         out("no device info found for name " + strDeviceName);
                         System.exit(1);
                    try
                         outputDevice = MidiSystem.getMidiDevice(info);
                         outputDevice.open();
                    catch (MidiUnavailableException e)
                         if (DEBUG) { out(e); }
                    if (outputDevice == null)
                         out("wasn't able to retrieve MidiDevice");
                         System.exit(1);
                    try
                         receiver = outputDevice.getReceiver();
                    catch (MidiUnavailableException e)
                         if (DEBUG) { out(e); }
               else
                    /*     We retrieve a Receiver for the default
                         MidiDevice.
                    try
                         receiver = MidiSystem.getReceiver();
                    catch (MidiUnavailableException e)
                         if (DEBUG) { out(e); }
               if (receiver == null)
                    out("wasn't able to retrieve Receiver");
                    System.exit(1);
               /*     Here, we prepare the MIDI messages to send.
                    Obviously, one is for turning the key on and
                    one for turning it off.
               MidiMessage     onMessage = null;
               MidiMessage     offMessage = null;
               try
                    onMessage = new ShortMessage();
                    offMessage = new ShortMessage();
                    ((ShortMessage) onMessage).setMessage(ShortMessage.NOTE_ON, nChannel, nKey, nVelocity);
                    ((ShortMessage) offMessage).setMessage(ShortMessage.NOTE_OFF, nChannel, nKey);
                    /* test for SysEx messages */
                    //byte[] data = { (byte) 0xF0, (byte) 0xF7, (byte) 0x99, 0x40, 0x7F, 0x40, 0x00 };
                    //onMessage = new SysexMessage();
                    //offMessage = new SysexMessage();
                    //onMessage.setMessage(data, data.length);
                    //offMessage = (SysexMessage) onMessage.clone();
               catch (InvalidMidiDataException e)
                    if (DEBUG) { out(e); }
               *     Turn the note on
               receiver.send(onMessage, -1);
               *     Wait for the specified amount of time
               *     (the duration of the note).
               try
                    Thread.sleep(nDuration);
               catch (InterruptedException e)
                    if (DEBUG) { out(e); }
               *     Turn the note off.
               receiver.send(offMessage, -1);
               *     Clean up.
               receiver.close();
               if (outputDevice != null)
                    outputDevice.close();
          } catch (Throwable t) {
               out(t);
          System.exit(0);
     private static void printUsageAndExit()
          out("MidiNote: usage:");
          out(" java MidiNote [<device name>] <note number> <velocity> <duration>");
          out(" <device name>\toutput to named device");
          out(" -D\tenables debugging output");
          System.exit(1);
     private static void listDevicesAndExit(boolean forInput, boolean forOutput) {
          if (forInput && !forOutput) {
               out("Available MIDI IN Devices:");
          else if (!forInput && forOutput) {
               out("Available MIDI OUT Devices:");
          } else {
               out("Available MIDI Devices:");
          MidiDevice.Info[]     aInfos = MidiSystem.getMidiDeviceInfo();
          for (int i = 0; i < aInfos.length; i++) {
               try {
                    MidiDevice     device = MidiSystem.getMidiDevice(aInfos);
                    boolean          bAllowsInput = (device.getMaxTransmitters() != 0);
                    boolean          bAllowsOutput = (device.getMaxReceivers() != 0);
                    if ((bAllowsInput && forInput) || (bAllowsOutput && forOutput)) {
                         out(""+i+" "
                              +(bAllowsInput?"IN ":" ")
                              +(bAllowsOutput?"OUT ":" ")
                              +aInfos[i].getName()+", "
                              +aInfos[i].getVendor()+", "
                              +aInfos[i].getVersion()+", "
                              +aInfos[i].getDescription());
               catch (MidiUnavailableException e) {
                    // device is obviously not available...
          if (aInfos.length == 0) {
               out("[No devices available]");
          System.exit(0);
e
     *     This method tries to return a MidiDevice.Info whose name
     *     matches the passed name. If no matching MidiDevice.Info is
     *     found, null is returned.
     *     If forOutput is true, then only output devices are searched,
     *     otherwise only input devices.
     private static MidiDevice.Info getMidiDeviceInfo(String strDeviceName, boolean forOutput) {
          MidiDevice.Info[]     aInfos = MidiSystem.getMidiDeviceInfo();
          for (int i = 0; i < aInfos.length; i++) {
               if (aInfos[i].getName().equals(strDeviceName)) {
                    try {
                         MidiDevice device = MidiSystem.getMidiDevice(aInfos[i]);
                         boolean     bAllowsInput = (device.getMaxTransmitters() != 0);
                         boolean     bAllowsOutput = (device.getMaxReceivers() != 0);
                         if ((bAllowsOutput && forOutput) || (bAllowsInput && !forOutput)) {
                              return aInfos[i];
                    } catch (MidiUnavailableException mue) {}
          return null;
     private static void out(String strMessage)
          System.out.println(strMessage);
     private static void out(Throwable t)
          t.printStackTrace();

Answer 1

Please post your code using code tags.
When I try to compile or build i cant.What is your question? Exactly what error message do you get?