用JAVA SOCKET制作一个广播信使的程序

用JAVA SOCKET制作一个广播信使的程序(4) Dimension wndSize = theKit.getScreenSize();

ServerWindow.setBounds(wndSize.width/4,wndSize.height/4,
                       wndSize.width/2,wndSize.height/2);
ServerWindow.setVisible(true);
ServerWindow.getContentPane().add ("North", output);
    //TO ADD THE TextArea (output) AT THE NORTH OF THE WINDOW
ServerWindow.getContentPane().setLayout(new FlowLayout
                                        (FlowLayout.CENTER));
    //TO SET THE LAYOUT AS CENTRALLY FLOW
ServerWindow.pack();    //TO PACK THE SERVER WINDOW WITH ABOVE
                        //INITIALIZE COMPONENTS

   if (args.length != 1)
      throw new IllegalArgumentException ("Syntax: ChatServer
                                           <port>");
   int port = Integer.parseInt (args[0]);
   String logins;
   ServerSocket server = new ServerSocket (port);
      //TO CREATE AN OBJECT FOR SERVER'S SOCKET
   while (true) {
      Socket client = server.accept ();    //CALLS THE accept()
                                           //METHOD WHENEVER THE