Grid.java

import apple.laf.JRSUIConstants.Size;

class Grid {

    int[][] gridToSolve = {
        {9,0,0,1,0,0,0,0,5},
        {0,0,5,0,9,0,2,0,1},
        {8,0,0,0,4,0,0,0,0},
        {0,0,0,0,8,0,0,0,0},
        {0,0,0,7,0,0,0,0,0},
        {0,0,0,0,2,6,0,0,9},
        {2,0,0,3,0,0,0,0,6},
        {0,0,0,2,0,0,9,0,0},
        {0,0,1,9,0,4,5,7,0}
    };

    private int[][] board;
    public static final int EMPTY = 0;

    Grid(int[][] board) {
        this.board = new int[SIZE][SIZE];

        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                this.board[i][j] = board[i][j];
            }
        }
    }


    // check if a possible number is already in a row


}