利用Java，在控制台操作下，编写的五子棋，作为复习二维数组，面向对象等基础知识。w表示白棋，b表示黑棋
import java.util.Scanner;public class MainMethod {public static char[][] c = new char[10][10];public static void main(String[] args) {MainMethod mainMethod = new MainMethod();mainMethod.init();int i;boolean color;int[] point = new int[2];Scanner scanner = new Scanner(System.in);for (i = 1; i < 100; i++) {mainMethod.draw();// 绘制棋盘System.out.println("请输入坐标，范围为（0,0）到（9,9）");int x = scanner.nextInt();int y = scanner.nextInt();if (i % 2 == 1)color = true;elsecolor = false;point[0] = x;point[1] = y;if (mainMethod.paint(point, color) == false) {//System.out.println("下的位置不合理，请重新开始");break;}if (mainMethod.win() == 1) {mainMethod.draw();System.out.println("恭喜白棋赢！！");break;} else if (mainMethod.win() == -1) {mainMethod.draw();System.out.println("恭喜黑棋赢！！");break;}}if (i == 100)System.out.println("平局");}public char[][] init() {// 初始化棋盘for (int i = 0; i < c.length; i++) {for (int j = 0; j < c.length; j++) {c[i][j] = '+';}}return c;}public boolean paint(int[] point, boolean colr) {// 判断下的位置是否正确，若正确改变棋盘boolean b = true;int x = point[0];int y = point[1];if (inBoard(point) == false || c[x][y] == 'w' || c[x][y] == 'b' || x < 0) {b = false;return b;}else if (colr == true) {// 白棋下if (c[x][y] == '+') {c[x][y] = 'w';}}else if (colr == false) {// 黑棋下if (c[x][y] == '+') {c[x][y] = 'b';}}return b;}public boolean inBoard(int[] point) {// 判断point是否在棋盘上int x = point[0];int y = point[1];if (x < 0 || y < 0 || x >= c.length || y >= c.length)return false;elsereturn true;}public int win() {// 判断输赢，1表示白的赢，-1黑的赢，0暂无输赢int whoWin = 0;int[] point = new int[2];outer: while (true) {for (int i = 0; i < c.length; i++) {for (int j = 0; j < c.length; j++) {if (c[i][j] == 'w') {// 遍历数组，找到的第一个白棋point[0] = i;point[1] = j + 4;if (inBoard(point)) {// 如果存在向右数4个的棋盘if (c[i][j + 1] == 'w' && c[i][j + 2] == 'w' && c[i][j + 3] == 'w' && c[i][j + 4] == 'w') {whoWin = 1;break outer;}}point[0] = i + 4;point[1] = j + 4;if (inBoard(point)) {// 如果存在向右,向下数4个的棋盘if (c[i + 1][j + 1] == 'w' && c[i + 2][j + 2] == 'w' && c[i + 3][j + 3] == 'w'&& c[i + 4][j + 4] == 'w') {whoWin = 1;break outer;}}point[0] = i + 4;point[1] = j;if (inBoard(point)) {// 如果存在向下数4个的棋盘if (c[i + 1][j] == 'w' && c[i + 2][j] == 'w' && c[i + 3][j] == 'w' && c[i + 4][j] == 'w') {whoWin = 1;break outer;}}point[0] = i - 4;point[1] = j + 4;if (inBoard(point)) {// 如果存在向左,向下数4个的棋盘if (c[i - 1][j + 1] == 'w' && c[i - 2][j + 2] == 'w' && c[i - 3][j + 3] == 'w'&& c[i - 4][j + 4] == 'w') {whoWin = 1;break outer;}}} else if (c[i][j] == 'b') {point[0] = i;point[1] = j + 4;if (inBoard(point)) {// 如果存在向右数4个的棋盘if (c[i][j + 1] == 'b' && c[i][j + 2] == 'b' && c[i][j + 3] == 'b' && c[i][j + 4] == 'b') {whoWin = -1;break outer;}}point[0] = i + 4;point[1] = j + 4;if (inBoard(point)) {// 如果存在向右,向下数4个的棋盘if (c[i + 1][j + 1] == 'b' && c[i + 2][j + 2] == 'b' && c[i + 3][j + 3] == 'b'&& c[i + 4][j + 4] == 'b') {whoWin = -1;break outer;}}point[0] = i + 4;point[1] = j;if (inBoard(point)) {// 如果存在向下数4个的棋盘if (c[i + 1][j] == 'b' && c[i + 2][j] == 'b' && c[i + 3][j] == 'b' && c[i + 4][j] == 'b') {whoWin = -1;break outer;}}point[0] = i - 4;point[1] = j + 4;if (inBoard(point)) {// 如果存在向左,向下数4个的棋盘if (c[i - 1][j + 1] == 'b' && c[i - 2][j + 2] == 'b' && c[i - 3][j + 3] == 'b'&& c[i - 4][j + 4] == 'b') {whoWin = -1;break outer;}}}}}whoWin = 0;break outer;}return whoWin;}public void draw() {// 绘制棋盘for (int i = 0; i < c.length; i++) {for (int j = 0; j < c.length; j++) {System.out.print(c[i][j] + " ");}System.out.println();}}}运行结果：
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 请输入坐标，范围为（0,0）到（9,9）46+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + w + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 请输入坐标，范围为（0,0）到（9,9）65+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + w + + + + + + + + + + + + + + + + + + b + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 请输入坐标，范围为（0,0）到（9,9）
谁输谁赢我就不弄出来了，太长，占地。。
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