in.close ();
	protected static String readFile (File file)	{		try	{			StringBuffer buf = new StringBuffer ();			BufferedReader in = new BufferedReader (new FileReader (file)); 			String line = in.readLine (); 			while(line!=null)	{	 			buf.append (line+"\n");	 			line = in.readLine (); 			} 			return buf.toString(); 		}	catch (IOException e)	{ 			return (""); 		} 	}