awt 채팅 Client

package Chatting;

import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;

class Client extends Frame implements ActionListener {
 TextField tf;
 TextArea ta;
 Button b;
 List list;

 BufferedReader br;
 BufferedWriter bw;

 String id;

 Client(String id) throws Exception {
  this.id = id;
  tf = new TextField();
  ta = new TextArea();
  b = new Button("나가기");
  list = new List();

  Panel p1 = new Panel();
  Panel p2 = new Panel();
  p1.setLayout(new BorderLayout());
  p2.setLayout(new BorderLayout());

  p1.add(ta);
  p1.add(list, "East");

  p2.add(tf);
  p2.add(b, "East");

  add(p1, "Center");
  add(p2, "South");
  tf.addActionListener(this);
 }

 void initNet() throws Exception {
  Socket socket = new Socket("localhost", 8877);
  InputStream is = socket.getInputStream();
  InputStreamReader isr = new InputStreamReader(is);
  br = new BufferedReader(isr);

  OutputStream os = socket.getOutputStream();
  OutputStreamWriter osw = new OutputStreamWriter(os);
  bw = new BufferedWriter(osw);

  sendMsg("enter/" + id);
 }

 public void readMsg() {
  try {
   while (true) {
    String line = br.readLine();
    System.out.println(line);
    String array[] = line.split("/");
    switch (array[0]) {
    case "enter":
     ta.append(array[1] + "님 입장~\n");
     break;

    case "msg":
     ta.append(array[1] + "\n");
     break;

    case "guestlist":
     list.removeAll();
     for(int i=1;i<array.length;i++)
     list.add(array[i]);
    }
   }
  } catch (Exception e) {
   System.out.println("읽다가오류남~");
  }
 }

 public void sendMsg(String msg) throws Exception {
  bw.write(msg + "\n");
  bw.flush();
 }

 public void actionPerformed(ActionEvent e) {
  try {
   sendMsg("msg/" + tf.getText());
   tf.setText("");

  } catch (Exception ee) {
   System.out.println("보내다가오류남~");
  }
 }

 public static void main(String args[]) throws Exception {
  Client client = new Client(args[0]);
  client.initNet();
  client.setBounds(200, 200, 500, 400);
  client.setVisible(true);
  client.readMsg();
 }
}