public static void main(String []agrs)
			throws IOException
	{
		JFrame jFrame = new MainForm();
		jFrame.setTitle("Park");
		jFrame.setSize(300, 220);
		jFrame.setLocationRelativeTo(null);
		jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jFrame.setVisible(true);
		
		while(true)
		{
			ServerSocket ss = new ServerSocket(30000);
			ExecutorService pool = Executors.newFixedThreadPool(20);
			while(true)
			{
				Socket s = ss.accept();
				socketList.add(s);
				ServerThread st = new ServerThread(s);
				pool.execute(st);
			}
		}
		
	}