Imbus/SudokuSolver
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Extending SudokuSolver interface and specifying @overrides in implementation

Browse source
This commit is contained in:
Imbus 2023-12-10 11:53:17 +01:00
parent 383af5be58
commit 6366a5e0f2
2 changed files with 22 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
app/src/main/java/sudoku/Solver.java
View file

@ -10,6 +10,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public void setBoard(int[][] board) {
this.board = board;
}
@ -17,6 +18,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public int[][] getBoard() {
return board;
}
@ -24,6 +26,7 @@ public class Solver implements SudokuSolver {
/**
* Resets the board to all zeros
*/
@Override
public void clear() {
board = new int[9][9];
}
@ -31,6 +34,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public boolean solve() {
return solve(0, 0);
}
@ -79,6 +83,7 @@ public class Solver implements SudokuSolver {
/**
* Randomizes the board. This guarantees a solvable board.
*/
@Override
public void randomizeBoard() {
this.clear();
for (int i = 0; i < 9; ++i) {
@ -94,6 +99,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public void set(int row, int col, int val) {
if (row < 9 && col < 9) {
board[row][col] = val;
@ -103,6 +109,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public int get(int row, int col) {
if (row < 9 && col < 9) {
return board[row][col];
@ -113,6 +120,7 @@ public class Solver implements SudokuSolver {
/**
* {@inheritDoc}
*/
@Override
public boolean isLegal(int row, int col, int val) {
if (row < 0 || row >= 9 || col < 0 || col >= 9 || val < 1 || val > 9) {
return false;
@ -153,6 +161,7 @@ public class Solver implements SudokuSolver {
*
* @return true if solved
*/
@Override
public boolean isSolved() {
return isSolved(0, 0);
}

14
app/src/main/java/sudoku/SudokuSolver.java
View file

@ -7,7 +7,7 @@ public interface SudokuSolver {
* @param board a board to copy values from
* @throws IllegalArgumentException if board is invalid, e.g. not 9x9
*/
void setBoard(int[][] board);
void setBoard(int[][] board) throws IllegalArgumentException;
/**
* Get a copy of the sudoku board
@ -49,6 +49,18 @@ public interface SudokuSolver {
*/
void set(int row, int col, int nbr);
/**
* Randomize the board. Guaranteed to be solvable.
*/
void randomizeBoard();
/**
* Check if the board is solved
*
* @return true if solved
*/
boolean isSolved();
/**
* Clear the board
*/