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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;

public class ChatJFrame extends JFrame implements ActionListener
{
  private JTextArea text_receiver; //ÏÔʾ¶Ô»°ÄÚÈݵÄÎı¾Çø
  private JTextField text_sender; //ÊäÈë·¢ËÍÄÚÈݵÄÎı¾ÐÐ
  private PrintWriter cout; //×Ö·ûÊä³öÁ÷¶ÔÏó
  private String name; //ÍøÃû
   
  public ChatJFrame(String name, String title, PrintWriter cout) //¹¹Ôì·½·¨
  {
  super("ÁÄÌìÊÒ "+name+" "+title);
  this.setSize(320,240);
  this.setLocation(300,240);
  this.setDefaultCloseOperation(EXIT_ON_CLOSE);
   
  this.text_receiver = new JTextArea();
  this.text_receiver.setEditable(false); //²»¿É±à¼­
  this.add(this.text_receiver);
   
  JPanel panel = new JPanel();
  this.add(panel,"South");
  this.text_sender = new JTextField(12);
  panel.add(this.text_sender);
  this.text_sender.addActionListener(this); //×¢²áµ¥»÷ʼþ¼àÌýÆ÷

  JButton button_send = new JButton(&


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