public String readFile(String fileName) throws IOException 
	{
	    BufferedReader br = new BufferedReader(new FileReader(fileName));
	    try 
	    {
	        StringBuilder sb = new StringBuilder();
	        String line = br.readLine();

	        while (line != null) 
	        {
	            sb.append(line);
	            sb.append("\n");
	            line = br.readLine();
	        }
	        
	        return sb.toString();
	    } 
	    finally 
	    {
	        br.close();
	    }
	}