好的,所以我正在写一个Tic Tac Toe游戏。我已经编写了整个程序,但我无法理解为什么它没有正确显示?
import java.util.Scanner;
public class TicTacToeGame {
//constants for game options
static final int STANDARD_GAME = 0;
static final int QUIT = -1;
//constants for the number of rows and columns in a standard TicTacToe grid
static final int STANDARD_GRID_ROWS = 3;
static final int STANDARD_GRID_COLUMNS = 3;
//two dimensional array to represent a TicTacToe grid
static char[][]grid = new char[STANDARD_GRID_ROWS][STANDARD_GRID_COLUMNS];
//Scanner for input
static Scanner keyboard = new Scanner(System.in);
//***RUN STANDARD GAME******************************************************
static void runStandardGame() {
int position = QUIT;
char playerChar = 'X';
boolean isGameOver = false;
fillPosition();
System.out.println("Choose a position to play.\n");
displayGrid();
do {
System.out.print("Player " + playerChar +
" (Enter a position or " + QUIT + " to resign): ");
position = keyboard.nextInt();
System.out.println("Choose a position to play.\n");
displayGrid();
if(isWin()) {
System.out.print("\nPlayer " + playerChar +"WINS!!!\n");
isGameOver = true;
}
else if (isTie()) {
System.out.print("\nTIE.\n");
isGameOver = true;
}
else {
//switch players because one of the players has just played
//and not won;, so, it is the other player's turn
if (playerChar == 'X') {
playerChar = 'O';
}
else{
playerChar = 'X';
}
}
}while(!isGameOver && position != QUIT);
}//end of runStandardGame
//***PLAY*******************************************************************
static void play(int cell, char playerChar) {
//the player has entered a number 1 through 9 for the position they want
//to play, so, figure out which row and which column of the array this is
//For example, if the player wants to play 'X' in position 7, this means
//the 'X' must go into row 2, column 0 of the array
int row = 0;
int column = 0;
if (cell > 0 && cell <= (STANDARD_GRID_ROWS * STANDARD_GRID_COLUMNS)){
row = (cell - 1) / STANDARD_GRID_ROWS;
column = (cell - 1) % STANDARD_GRID_COLUMNS;
grid[row][column] = playerChar;
}
}
//***IS WIN*****************************************************************
static boolean isWin() {
boolean isWin = false;
if (isRowWin() || isColumnWin() || isDiagonalWin()){
isWin = true;
}
return isWin;
}
//***IS TIE*****************************************************************
static boolean isTie() {
boolean isTie = false;
if(!isRowWin() || !isColumnWin() || !isDiagonalWin()){
int count = 9;
for (int row = 0; row < 3; row ++){
for (int column = 0; column < 3; column ++){
if (grid[row][column] == 0)
count --;
}
}
if (count == 0)
{
System.out.println("\nSorry, this game is tied. Better luck next time!");
return true;
}
}
return isTie;
}
//***IS ROW WIN**********************************************************
static boolean isRowWin() {
boolean isRowWin = false;
int column = 0 ;
for (int row = 0;row < STANDARD_GRID_ROWS && !isRowWin; row++) {
//if the three array elements on the same row are equal,
//then one of the players has either three 'X's on that
//row, or three 'O's, and therefore, has won
if (grid[row][column] == grid[row][column+1] &&
grid[row][column+1] == grid[row][column+2]){
isRowWin = true;
}
}
return isRowWin;
}
//***IS COLUMN WIN**********************************************************
static boolean isColumnWin() {
boolean isColumnWin = false;
int row = 0 ;
for (int column = 0;column < STANDARD_GRID_COLUMNS && !isColumnWin; column++) {
//if the three array elements on the same row are equal,
//then one of the players has either three 'X's on that
//row, or three 'O's, and therefore, has won
if (grid[row][column] == grid[row+1][column] &&
grid[row+1][column] == grid[row+2][column]){
isColumnWin = true;
}
}
return isColumnWin;
}
//***IS DIAGONAL WIN********************************************************
static boolean isDiagonalWin() {
boolean isDiagonalWin = false;
int row = 0;
int column = 0;
if(
(grid[row][column] == grid[row+1][column+1] &&
grid[row+1][column+1] == grid[row+2][column+2])||
(grid[row][column+2] == grid[row+1][column+1] &&
grid[row+1][column+1] == grid[row+2][column])){
isDiagonalWin = true;
}
return isDiagonalWin;
}
//***GET USER CHOICE********************************************************
static int getUserChoice() {
int choice;
System.out.print("Please enter your choice: ");
choice = keyboard.nextInt();
return choice;
}
//***FILL POSITIONS*********************************************************
static void fillPosition(){
char position = '1';
for (int row = 0; row < STANDARD_GRID_ROWS; row++) {
for (int column = 0; column < STANDARD_GRID_COLUMNS; column++) {
grid[row][column] = (char) ('1' + row*STANDARD_GRID_COLUMNS + column);
}
}
}
//***DISPLAY GRID***********************************************************
static void displayGrid() {
System.out.println((grid[0][0]) + " | " + (grid[0][1]) + " | " + (grid[0][2]));
System.out.println("---------");
System.out.println((grid[1][0]) + " | " + (grid[1][1]) + " | " + (grid[1][2]));
System.out.println("---------");
System.out.println((grid[2][0]) + " | " + (grid[2][1]) + " | " + (grid[2][2]));
}
//***END********************************************************************
}//end of class
在游戏中,我希望它将棋盘显示为:
1 | 2 | 3
-----------
4 | 5 | 6
-----------
7 | 8 | 9
无论我选择什么,或者在哪里,它都会反复要求我做出选择......即使我会刻意赢得一场胜利,或者让它们结合起来让它结束,但它仍然是无止境的...是的逻辑错误?
另外,我删除了一些我知道正确的代码,因此更容易阅读和理解。
答案 0 :(得分:3)
fillPosition
中的do-while循环只执行一次。在条件row<4 && column<4 && position<10
中,布尔position<10
最初为false
。因为position
是 char
,
position < 10
被解释为
(int)position < 10
(int)position = (int)'2' = 49
(第一次循环迭代后position
为'2'
),且不小于10
,因此此条件为false
,表示整个循环条件也是false
- 因此循环结束。
因此,'1'
被正确放置,但没有其他任何东西(它是一个do-while循环,所以它至少执行一次,无论其条件如何)。
答案 1 :(得分:2)
你试图比较一个char(列)和10是一个数字,字符'1'的ascii数字比那时大,所以循环正在破坏
答案 2 :(得分:1)
您的fillPosition()
方法不正确。看起来应该是这样的:
static void fillPosition(){
for (int row = 0; row < STANDARD_GRID_ROWS; row++) {
for (int column = 0; column < STANDARD_GRID_COLUMNS; column++) {
grid[row][column] = (char) ('1' + row*STANDARD_GRID_COLUMNS + column);
}
}
}
答案 3 :(得分:1)
您fillPosition
do-loop
的退出条件有误......
我还建议不要使用字符算法,最好使用int和Interger.toString(int)
,但那只是我。
循环使用复合for
循环来填充grid
数组,用于行的外部开头和用于列的内部,例如