public static void main(String[] args) {
		String urlStr = null;
		try {
			ModifiedCentralizedExceptionHandlerApp app = new ModifiedCentralizedExceptionHandlerApp();
			app.openDataFile("src.txt");
			app.readData();
			reader.close();
		} catch (FileNotFoundException e) {
			System.out.println("Specified file not found");
		} catch (IOException e) {
			System.out.println("Error closing file");
		} catch (NumberFormatException e) {
			System.out.println("Invalid number format, skipping rest");
		} catch (Exception e) {
			System.out.println("Unknown error :" + e.getMessage());
		}
	}