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Port Writer

import java.io.*; import javax.comm.*; import java.util.*; public class PortWriter {     static Enumeration ports;     static CommPortIdentifier pID;     static OutputStream outStream;     SerialPort serPort;     static String messageToSend = "message!\n";          public PortWriter() throws Exception{         serPort = (SerialPort)pID.open("PortWriter",2000);         outStream = serPort.getOutputStream();         serPort.setSerialPortParams(9600, SerialPort.DATABITS_8,         SerialPort.STOPBITS_1,         SerialPort.PARITY_NONE);     }              public static void main(String[] args) throws Exception{         ports = CommPortIdentifier.getPortIdentifiers();                  while(ports.hasMoreElements())         {             pID = (CommPortIdentifier)ports.nextElement();             System.out.println("Port " + pID.getName());                          if (pID.getPortType() == CommPortIdentifier.PORT_SERIAL)             {                 if (pID.getName().equals("COM1"))                 {                     PortWriter pWriter = new PortWriter();                     System.out.println("COM1 found");                 }             }         }         outStream.write(messageToSend.getBytes());     } }