sudoku using recursive method in java
class Sudoku
{
private int[][] sudoku;
private static final int UNASSIGNED = 0;
public Sudoku()
{
sudoku = new int[9][9];
}
public Sudoku(int sudoku[][])
{
this.sudoku= sudoku;
}
//TO-DO Methods
//private boolean containsInRow(int row,int number){...}
//private boolean containsInCol(int col,int number){...}
//private boolean containsInBox(int row, int col,int number){...}
//private boolean isAllowed(int row, int col,int number){...}
//public void displaySudoku(){...}
//public boolean solveSudoku(){...}
}