The code is incomplete, you will have to write the fillGrid and evaluate methods where indicated by the statement: JOptionPane.showMessageDialog(this, "Write the necessary code to ...");

* Fill the grid with data read from a file * You will have to complete the code for this method */ public void fillGrid() { Scanner scan; URL url; try { url = new URL("http://matcmp.ncc.edu/grahamf/csc130/Sudoku.txt"); scan = new Scanner(url.openStream());

// write the code to fill the grid JOptionPane.showMessageDialog(this, "Write the necessary code to fill the grid.");

} catch (MalformedURLException mue) { mue.printStackTrace(); } catch (IOException ioe) { ioe.printStackTrace(); } } /***********************************************************************/