利用Java，在控制台操作下，編寫的五子棋，作為複習二維數組，面向對像等基礎知識。 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();// 繪製棋盤System.out.println("請輸入坐標，範圍為（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，請重新開始");break;}if (mainMethod.win() == 1) {mainMethod.draw();System.out.println("恭喜白棋贏！！");break;} else if (mainMethod.win() == -1) {mainMethod.draw();System.out.println("恭喜黑棋贏！！");break;}}if (i == 100)System.out.println("平局");}public char[][] init() {// 初始化棋盤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) {// 判斷下的位置是否正確，若正確改變棋盤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) {// 判斷point是否在棋盤上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() {// 判斷輸贏，1表示白的贏，-1黑的贏，0暫無輸贏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') {// 遍歷數組，找到的第一個白棋point[0] = i;point[1] = j + 4;if (inBoard(point)) {// 如果存在向右數4個的棋盤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,向下數4個的棋盤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)) {// 如果存在向下數4個的棋盤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,向下數4個的棋盤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)) {// 如果存在向右數4個的棋盤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,向下數4個的棋盤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)) {// 如果存在向下數4個的棋盤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,向下數4個的棋盤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() {// 繪製棋盤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();}}}運行結果：
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 請輸入坐標，範圍為（0,0）到（9,9）46+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + w + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 請輸入坐標，範圍為（0,0）到（9,9）65+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + w + + + + + + + + + + + + + + + + + + b + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 請輸入坐標，範圍為（0,0）到（9,9）
誰輸誰贏我就不弄出來了，太長，佔地。 。
總結
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