How would I put this into code? In the Board.java file, have the Board class extend the JPanel class. This will ensure that the board can lay out each cell and process its UI events. 6. Replace the Board constructor with the following code: public Board(int rows, int columns, ActionListener ah) { cells = new Cell[rows][columns]; this.setLayout(new GridLayout(3,3)); for( int r = 0; r < cells.length; r++ ) { for (int c = 0; c < cells[r].length; c++) { cells[r][c] = new Cell(r,c); this.add(cells[r][c]); cells[r][c].addActionListener(ah); } } } This will add each cell to the UI and assign an ActionListener object to each cell. Remember to use the necessary imports. 7. In the BoardGameTester.java file, have the BoardGameTester class extend JFrame. This will ensure that the game is hosted in a Java window. Again, check that you have the necessary import statements