UVa 00220 - Othello (follow the game rules, a bit tedious)

Link: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=156
Sol:

import java.util.Scanner;
	class Board {
	public int m, n;
	char map[][];
	public Board(int m, int n) {
	this.m = m;
	this.n = n;
	map = new char[m][n];
	for (int i = 0; i < m; i++)
	for (int j = 0; j < n; j++)
	map[i][j] = '-';
	}
	public Board(Board board) {
	this.m = board.m;
	this.n = board.n;
	map = new char[m][n];
	for (int i = 0; i < m; i++)
	for (int j = 0; j < n; j++)
	map[i][j] = board.getItem(i, j);
	}
	public char getItem(int x, int y) {
	return map[x][y];
	}
	public void setItem(int x, int y, char item) {
	//this can be really strange, need to test it more
	map[x][y] = item;
	}
	public boolean makeMove(int i, int j, char player) {
	if (!isThePositionLegal(i, j, player))
	return false;
	char newMap[][] = new char[m][n];
	for (int k = 0; k < m; k++)
	for (int h = 0; h < n; h++)
	newMap[k][h] = map[k][h];
	for (int dirx = -1; dirx <= 1; dirx++)
	for (int diry = -1; diry <= 1; diry++)
	if (checkDirection(i, j, dirx, diry, player)) {
	for (int k = 1; k < 7; k++) {
	int x = i + dirx * k;
	int y = j + diry * k;
	if (map[x][y] == player)
	break;
	newMap[x][y] = player;
	}
	}
	newMap[i][j] = player;
	this.map = newMap;
	return true;
	}
	public void printStatus() {
	int black = 0, white = 0;
	for (int k = 0; k < m; k++)
	for (int h = 0; h < n; h++)
	if (map[k][h] == 'B')
	black++;
	else if (map[k][h] == 'W')
	white++;
	System.out.printf("Black -%3d White -%3d\n",black, white);
	}
	public void listPossibleMoves(char player) {
	StringBuilder builder = new StringBuilder();
	boolean legalMoveFound = false;
	for (int i = 0; i < m; i++) {
	for (int j = 0; j < n; j++) {
	if (isThePositionLegal(i, j, player)) {
	if (!legalMoveFound) {
	legalMoveFound = true;
	} else {
	builder.append(' ');
	}
	builder.append("(" + (i + 1) + "," + (j + 1) + ")");
	}
	}
	}
	if (legalMoveFound) {
	System.out.println(builder.toString());
	} else {
	System.out.println("No legal move.");
	}
	}
	public boolean isThePositionLegal(int i, int j, char player) {
	if (!isOnTheBoard(i, j) || map[i][j] != '-')
	return false;
	//System.out.println("is position legal " + i + " " + j);
	//System.out.println(this);
	for (int dirx = -1; dirx <= 1; dirx++)
	for (int diry = -1; diry <= 1; diry++) {
	//we are checking for dirx = 0 and diry = 0, but that will return correct result
	//System.out.println("dir " + dirx + " " + diry);
	if (checkDirection(i, j, dirx, diry, player))
	return true;
	}
	return false;
	}
	private boolean checkDirection(int i, int j, int dirx, int diry, char player) {
	int bracketNum = 0;
	char enemyPlayer = (player=='B')?'W':'B';
	int x, y;
	for (int k = 1; k < 7; k++) {
	x = i + dirx * k;
	y = j + diry * k;
	if (!isOnTheBoard(x, y) || map[x][y] == '-') {
	return false;
	}
	if (map[x][y] == enemyPlayer) {
	bracketNum++;
	}
	if (map[x][y] == player) {
	return bracketNum != 0;
	}
	}
	return false;
	}
	private boolean isOnTheBoard(int i, int j) {
	return i >= 0 && j >= 0 && i < m && j < n;
	}
	@Override
	public String toString() {
	StringBuilder builder = new StringBuilder();
	for (int i = 0; i < n; i++) {
	for (int j = 0; j < n; j++) {
	builder.append(map[i][j]);
	}
	builder.append("\n");
	}
	return builder.toString();
	}
	}
	public class Main {
	public static void main(String[] args) throws Exception {
	//Scanner in = new Scanner (new FileReader(new File("proba.txt")));
	Scanner in = new Scanner(System.in);
	String line;
	int tc = Integer.parseInt(in.nextLine());
	int m = 8, n = 8;
	while (tc-- != 0) {
	Board board = new Board(m, n);
	for (int i = 0; i < m; i++) {
	line = in.nextLine().trim();
	for (int j = 0; j < n; j++) {
	char c = line.charAt(j);
	board.setItem(i, j, c);
	}
	}
	char curPlayer = in.nextLine().trim().charAt(0);
	boolean gameOver = false;
	while (!gameOver) {
	//System.out.println(board);
	line = in.nextLine().trim();
	switch (line.charAt(0)) {
	case 'L':
	board.listPossibleMoves(curPlayer);
	break;
	case 'Q':
	System.out.print(board);
	gameOver = true;
	break;
	case 'M':
	int i = (int)(line.charAt(1) - '0');
	int j = (int)(line.charAt(2) - '0');
	if (!board.makeMove(i - 1, j - 1, curPlayer)) {
	curPlayer = (curPlayer=='B')?'W':'B';
	board.makeMove(i - 1, j - 1, curPlayer);
	}
	board.printStatus();
	curPlayer = (curPlayer=='B')?'W':'B';
	break;
	}
	}
	if (tc != 0)
	System.out.println();
	}
	}
	}