求JAVA网络聊天系统代码

既然是学java的，怎么编辑就不用我说了吧，直接javac 然后 java 就可以。先发client的
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import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
public class ChatClient {
private String name;
private Socket s;
private DataInputStream dis;
private DataOutputStream dos;
private Frame f;
private TextArea ta;
private TextField tf;
private boolean runnable = true;

public static void main(String args[]) {
ChatClient cc = new ChatClient();
cc.createUI();
cc.inputName();
cc.connect();
cc.createThread();
}
public void createUI(){
f = new Frame("Client");
ta = new TextArea();
ta.setEditable(false);
tf = new TextField();
Button send = new Button("Send");
Panel p = new Panel();
p.setLayout(new BorderLayout());
p.add(tf,"Center");
p.add(send,"Eas