Java - Enviar dato a Puerto Com

import giovynet.nativelink.SerialPort;

import giovynet.serial.Baud;

import giovynet.serial.Com;

import giovynet.serial.Parameters;

import java.util.List;

public class RS232 {

    static SerialPort puerto = new SerialPort();

    static List<String> listaPuertos;

    static Com com1;

    //static char [] ReleEncendido

    public static void main(String[] args) throws Exception {

        // TODO code application logic here

        listaPuertos = puerto.getFreeSerialPort();

        Parameters settings = new Parameters();

        settings.setPort("COM6");

        settings.setBaudRate(Baud._9600);

        settings.setByteSize("8");// assigns byte size

        settings.setParity("N");//

        com1 = new Com(settings);

        com1.sendString("O2A");

    }

}

Private Sub OutOn_Click(Index As Integer)

    MSComm1.Output = "O"

  Delay

    MSComm1.Output = Chr$(Index + &H30 + 1)

 Delay

    MSComm1.Output = "A"

 Delay

    MSComm1.Output = Chr$(13)

    LedOn (4 + Index)

End Sub

Private Sub CmdOff_Click(Index As Integer)

    MSComm1.Output = "O"

    Delay

    MSComm1.Output = Chr$(Index + &H30 + 1)

    Delay

    MSComm1.Output = "D"

    Delay

    MSComm1.Output = Chr$(13)

    LedOff (4 + Index)

End Sub

Sub Delay()

   For iCount = 1 To 100000

   Next iCount

End Sub