プログラムが勝者を出力した後、ユーザーにもう一度プレイするか終了するかを尋ねますが、何らかの理由でスキャナーはこの入力を読み取りません (続行するかどうか)。while ループの外側に継続のプロンプトを出しましたが、まだ運がありません: "|XXX| | O | | O|
プレーヤー X が勝者です。また遊びたいですか？はいの場合は Y、いいえの場合は N を入力してください。BUILD SUCCESSFUL (合計時間: 26 秒)」
これはコードです：
public class TicTacToeRunner
{
public static void main(String[] args)
{
int row;
int column;
Scanner in = new Scanner(System.in);
TicTacToe game = new TicTacToe();
String player = "X";
boolean done = false;
int moveCounter = 0;
String answer;
int noMovement = -2;
int toQuit = -1;
int movesToCheckWins = 5;
int movesToCheckTies = 7;
while (!done)
{
do
{
row = column = noMovement;
System.out.print("\n" + game);
System.out.print("Please make a move " + (moveCounter + 1) + "(" + player + ")\nRow for " + player.toUpperCase() + " (or -1 to exit): ");
if (in.hasNextInt()) //check if input is an integer
{
row = in.nextInt();
}
if (row == toQuit) //if entered -1 quit the game
{
done = true;
System.out.println("Player " +player.toUpperCase() + " ended the game !");
System.exit(0); //game termination
}
else
{
System.out.print("Column for " + player.toUpperCase() + ": ");
if(in.hasNextInt()) //check if input is an integer
{
column = in.nextInt();
}
}
}while(!game.checkForValidMove(row, column)); //end of do-while loop if checkForValidMove is false
moveCounter++;
game.set(row, column, player);
if (moveCounter >= movesToCheckWins) //check wins after 5 moves
{
if (game.checkForWin(row, column, player)) //if a winner
{
done = true;
System.out.println("\n" + game);
System.out.println("Player " + player.toUpperCase() + " is a winner!");
}
}
if (moveCounter >= movesToCheckTies) //Check for ties after 7 moves
{
if (game.checkForEarlyTie()) //check for early tie
{
done = true;
System.out.println("\n" + game);
System.out.println("Tie Game after " + moveCounter + " moves!");
}
}
// Switching players
if (player.equals("X"))
{
player = "O";
}
else
{
player = "X";
}
}
System.out.println("Do you want to play again? Enter Y for yes or N for no!");
answer = in.nextLine();
answer = answer.toLowerCase(); //change input to lowercase for bullet proofing
if(answer.equals("y"))
{
done = false;
player = "X";
moveCounter = 0;
game.resetTheGame();
}
else
{
System.exit(0); //program termination
}
}
}