C D E G I S T U

C

clone() - Method in class SudokuNode

Create a deep clone of this SudokuNode using the int[][] grid copy constructor.

D

DepthFirstSearcher - Class in <Unnamed>

DepthFirstSearcher.java - a simple iterative implementation of depth-first search.

DepthFirstSearcher() - Constructor for class DepthFirstSearcher

E

expand() - Method in class SudokuNode

Return a list of children of this node.

G

getCell(int, int) - Method in class SudokuNode

Return the current cell value given the row and column of the cell.

I

isGoal() - Method in class SudokuNode

Return whether or not the grid contains no UNKNOWN values.

S

search(SearchNode) - Method in class DepthFirstSearcher

search - given an initial node, perform depth-first search (DFS).

SIZE - Static variable in class SudokuNode

number of square grid rows and columns

SudokuNode - Class in <Unnamed>

SudokuNode(Scanner) - Constructor for class SudokuNode

Constructs a SudokuNode using the given Scanner to read a text Sudoku grid with periods marking unknown values.

SudokuNode(int[][]) - Constructor for class SudokuNode

Constructs a SudokuNode using the given 9-by-9 grid of cell values, either ranging from 1 to 9 or being the UNKNOWN value.

T

toString() - Method in class SudokuNode

Return a String representation of the Sudoku grid with periods marking unknown values.

U

UNKNOWN - Static variable in class SudokuNode

constant 0 indicating an unknown grid value

C D E G I S T U