Help with a 14 line java proggie!! (Applet)

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.logging.Logger;
import java.util.Hashtable;

public class ChatClient extends Panel implements Runnable
{
	// Components for the visual display of the chat windows
	private TextField tf = new TextField();
	private TextArea ta = new TextArea();

	// The socket connecting us to the server
	private Socket socket;

	// The streams we communicate to the server; these come
	// from the socket
	private OutputStream out;
	private InputStream in;
	private boolean acceptID = true;

	private Hashtable codeTable;
	private Hashtable restoreTable;

	public void initRestoreTable(){
		restoreTable.put( ".-", "A");
		//just filled a load of morse code retrieval values
		restoreTable.put( "...-..-", "$");
	}
	public void initHashTable(){
		codeTable.put("A", ".-");
		//morse code entry values
		codeTable.put("$", "...-..-");

		Logger.global.info("Hashtable initialzed.");
	}

	public ChatClient( String host, int port ) {
		//set up hashtable
		codeTable = new Hashtable();
		restoreTable = new Hashtable();
		initHashTable();
		initRestoreTable();
		// Set up the screen
		setLayout( new BorderLayout() );
		add( "North", tf );
		add( "Center", ta );

		// We want to receive messages when someone types a line
		// and hits return, using an anonymous class as
		// a callback
		tf.addActionListener( new ActionListener() {
			public void actionPerformed( ActionEvent e ) {
				processMessage( e.getActionCommand() );
			}
		} );

		// Connect to the server
		try {
			// Initiate the connection
			socket = new Socket( host, port );
			// We got a connection!  Tell the world
			System.out.println( "connected to "+socket );
			// Let's grab the streams and create DataInput/Output streams
			// from them
			in = socket.getInputStream();
			out = socket.getOutputStream();
			// Start a background thread for receiving messages
			new Thread( this ).start();
		} catch( IOException ie ) { System.out.println( ie ); }
	}

	// Gets called when the user types something
	private void processMessage( String message ) {
		try {
			//Convert to morse code
			String morse = new String();   //To contain converted morse code.
			String indexedChar = new String();

			for ( int i = 0; i < message.length(); i++){
				indexedChar = "";
				indexedChar += message.charAt(i);
				morse += codeTable.get( indexedChar.toUpperCase() );
				morse += " ";
			}

			Logger.global.info(morse);

			// Send it to the server
			out.write( morse.getBytes() );//was message
			// Clear out text input field
			tf.setText( "" );
			morse = "";//LATEST
		} catch( IOException ie ) { System.out.println( ie ); }
	}

	//process recieved message, with header removed.
	private String revert(String rx){
		System.out.println("RX=>" +rx);
		String reverted = "";
		String tokens[];
		tokens = rx.split(" ");

		for ( int i = 0; i < tokens.length ; i++){
			tokens[i].concat(" ");
			reverted += (String)restoreTable.get(tokens[i]);
			Logger.global.info("Token[" +i +"] = " +tokens[i] +" returns " +reverted);
		}
		return reverted;
	}

	// Background thread runs this: show messages from other window
	public void run() {
		int myID;
		String myMorseID = "";
		String header = "";
		String message = "";
		String temp = "";
		try {

			byte buffer[] = new byte[4096];
			// Receive messages one-by-one, forever
			while (true) {
				//Accept ID from server
				if ( acceptID == true ){
					int r = in.read( buffer );
					String id = new String( buffer, 0, r );
					myID = (int)id.charAt(0);
					acceptID = false;
					myMorseID = String.valueOf(myID);
					myMorseID = (String) codeTable.get(myMorseID);
					Logger.global.info("myID: " +myID +". myMorseID: " +myMorseID);
					ta.append("Welcome user " +myID +"\n");
				}else{

					// Get the next message
					int r = in.read( buffer );
					message = new String( buffer, 0, r );

					//evaluate and condition String
					int headerBreak = message.indexOf(" ");

					try{
						if(message.length() > 0 && headerBreak != -1){
							header = message.substring(0, headerBreak);
							header = header.trim();
							Logger.global.info("HEADER " +header);



					if( header.equalsIgnoreCase(myMorseID) ){
						Logger.global.info("I have been addressed!");
						//remove header
						message = message.substring(headerBreak, message.length());
						message = message.trim();
						temp = revert(message);
							ta.append( temp+"\n" );
					}
					}
					}catch(Exception e){Logger.global.info("E");}
					message = "";
					header = "";
					temp ="";
				}
			}
		} catch( IOException ie ) { System.out.println( ie ); }
	}
}