package sudoku; public class Solver implements SudokuSolver { private int[][] board; public Solver() { board = new int[9][9]; } public void setBoard(int[][] board) { this.board = board; } public int[][] getBoard() { return board; } public boolean solve() { } public Boolean isSolved() { } private boolean solve(int row, int col) { } public boolean legal(int row, int col, int nbr) { } public String toString() { } }