How to convert the following code into an applet

Question

Please reply for me as soon as you can.
import java.io.*;
import java.awt.Frame;
import java.awt.FlowLayout;
import java.awt.Color;
import java.awt.Insets;
import java.awt.Dimension;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
import java.util.Enumeration;
import javax.comm.CommPort;
import javax.comm.CommPortIdentifier;
import javax.comm.SerialPort;
import javax.comm.NoSuchPortException;
import javax.comm.PortInUseException;
public class BlackBox extends Frame implements WindowListener
     static int               portNum = 0,
                         panelNum = 0,
                         rcvDelay = 0;
     static SerialPortDisplay[]     portDisp;
     static BlackBox           win;
     static boolean               threaded = true,
                         silentReceive = false,
                         modemMode = false,
                         friendly = false;
     public BlackBox()
          super("Serial Port Black Box Tester");
          addNotify();
          addWindowListener(this);
     public void windowIconified(WindowEvent event)
     public void windowDeiconified(WindowEvent event)
     public void windowOpened(WindowEvent event)
     public void windowClosed(WindowEvent event)
     public void windowActivated(WindowEvent event)
     public void windowDeactivated(WindowEvent event)
     public void windowClosing(WindowEvent event)
          cleanup();
          dispose();
          System.exit(0);
     public static void main(String[] args)
          Enumeration           ports;
          CommPortIdentifier     portId;
          boolean               allPorts = true,
                         lineMonitor = false;
          int               idx = 0;
          win = new BlackBox();
          win.setLayout(new FlowLayout());
          win.setBackground(Color.gray);
          portDisp = new SerialPortDisplay[4];
          while (args.length > idx)
               if (args[idx].equals("-h"))
                    printUsage();
               else if (args[idx].equals("-f"))
                    friendly = true;
                    System.out.println("Friendly mode");
               else if (args[idx].equals("-n"))
                    threaded = false;
                    System.out.println("No threads");
               else if (args[idx].equals("-l"))
                    lineMonitor = true;
                    System.out.println("Line Monitor mode");
               else if (args[idx].equals("-m"))
                    modemMode = true;
                    System.out.println("Modem mode");
               else if (args[idx].equals("-s"))
                    silentReceive = true;
                    System.out.println("Silent Reciever");
               else if (args[idx].equals("-d"))
                    idx++;
                    rcvDelay = new Integer(args[idx]).intValue();
                    System.out.println("Receive delay = "
                              + rcvDelay + " msecs");
               else if (args[idx].equals("-p"))
                    idx++;
                    while (args.length > idx)
                         * Get the specific port
                         try
                              portId =
                              CommPortIdentifier.getPortIdentifier(args[idx]);
                              System.out.println("Opening port "
                                   + portId.getName());
                              win.addPort(portId);
                         catch (NoSuchPortException e)
                              System.out.println("Port "
                                        + args[idx]
                                        + " not found!");
                         idx++;
                    allPorts = false;
                    break;
               else
                    System.out.println("Unknown option "
                              + args[idx]);
                    printUsage();
               idx++;
          if (allPorts)
               * Get an enumeration of all of the comm ports
               * on the machine
               ports = CommPortIdentifier.getPortIdentifiers();
               if (ports == null)
                    System.out.println("No comm ports found!");
                    return;
               while (ports.hasMoreElements())
                    * Get the specific port
                    portId = (CommPortIdentifier)
                                   ports.nextElement();
                    win.addPort(portId);
          if (portNum > 0)
               if (lineMonitor)
                    if (portNum >= 2)
                         portDisp[0].setLineMonitor(portDisp[1],
                                        true);
                    else
                         System.out.println("Need 2 ports for line monitor!");
                         System.exit(0);
          else
               System.out.println("No serial ports found!");
               System.exit(0);
     private void addPort(CommPortIdentifier     portId)
          * Is this a serial port?
          if (portId.getPortType()
          == CommPortIdentifier.PORT_SERIAL)
               // Is the port in use?     
               if (portId.isCurrentlyOwned())
                    System.out.println("Detected "
                              + portId.getName()
                              + " in use by "
                              + portId.getCurrentOwner());
               * Open the port and add it to our GUI
               try
                    portDisp[portNum] = new
                         SerialPortDisplay(portId,
                                   threaded,
                                   friendly,
                                   silentReceive,
                                   modemMode,
                                   rcvDelay,
                                   win);
                    this.portNum++;
               catch (PortInUseException e)
                    System.out.println(portId.getName()
                              + " in use by "
                              + e.currentOwner);
     public void addPanel(SerialPortDisplay     panel)
          Dimension     dim;
          Insets          ins;
          win.add(panel);
          win.validate();
          dim = panel.getSize();
          ins = win.getInsets();
          dim.height = ((this.panelNum + 1) * (dim.height + ins.top
                    + ins.bottom)) + 10;
          dim.width = dim.width + ins.left + ins.right + 20;
          win.setSize(dim);
          win.show();
          panelNum++;
     static void printUsage()
          System.out.println("Usage: BlackBox [-h] | [-f] [-l] [-m] [-n] [-s] [-d receive_delay] [-p ports]");
          System.out.println("Where:");
          System.out.println("\t-h     this usage message");
          System.out.println("\t-f     friendly - relinquish port if requested");
          System.out.println("\t-l     run as a line monitor");
          System.out.println("\t-m     newline is \\n\\r (modem mode)");
          System.out.println("\t-n     do not use receiver threads");
          System.out.println("\t-s     don't display received data");
          System.out.println("\t-d     sleep for receive_delay msecs after each read");
          System.out.println("\t-p     list of ports to open (separated by spaces)");
          System.exit(0);
     private void cleanup()
          SerialPort     p;
          while (portNum > 0)
               portNum--;
               panelNum--;
               * Close the port
               p = portDisp[portNum].getPort();
               if (p != null)
                    System.out.println("Closing port "
                              + portNum
                              + " ("
                              + p.getName()
                              + ")");
                    portDisp[portNum].closeBBPort();
}

Answer 1

hi welcome to java forum,
please do one thing for me so that i can help you, can you put your code in a code tag [code ][code ] (without spaces) so that your code can be readable easily