I need to see the output for this TicTacToe Java code. import java.util.*; public class Tictactoe { static String[] board; static String turn; static String checkWinner() { for (int a = 0; a < 8; a++) { String line = null; switch (a) { case 0: line = board[0] + board[1] + board[2]; break; case 1: line = board[3] + board[4] + board[5]; break; case 2: line = board[6] + board[7] + board[8]; break; case 3: line = board[0] + board[3] + board[6]; break; case 4: line = board[1] + board[4] + board[7]; break; case 5: line = board[2] + board[5] + board[8]; break; case 6: line = board[0] + board[4] + board[8]; break; case 7: line = board[2] + board[4] + board[6]; break; } if (line.equals("XXX")) { return "X"; } else if (line.equals("OOO")) { return "O"; } } for (int a = 0; a < 9; a++) { if (Arrays.asList(board).contains( String.valueOf(a + 1))) { break; } else if (a == 8) { return "draw"; } } System.out.println( turn + "'s turn; enter a slot number to place " + turn + " in:"); return null; } // To print out the board. /* |---|---|---| | 1 | 2 | 3 | |-----------| | 4 | 5 | 6 | |-----------| | 7 | 8 | 9 | |---|---|---|*/ static void printBoard() { System.out.println("|---|---|---|"); System.out.println("| " + board[0] + " | " + board[1] + " | " + board[2] + " |"); System.out.println("|-----------|"); System.out.println("| " + board[3] + " | " + board[4] + " | " + board[5] + " |"); System.out.println("|-----------|"); System.out.println("| " + board[6] + " | " + board[7] + " | " + board[8] + " |"); System.out.println("|---|---|---|"); } public static void main(String[] args) { Scanner in = new Scanner(System.in); board = new String[9]; turn = "X"; String winner = null; for (int a = 0; a < 9; a++) { board[a] = String.valueOf(a + 1); } System.out.println("Welcome to 3x3 Tic Tac Toe."); printBoard(); System.out.println( "X will play first. Enter a slot number to place X in:"); while (winner == null) { int numInput; try { numInput = in.nextInt(); if (!(numInput > 0 && numInput <= 9)) { System.out.println( "Invalid input; re-enter slot number:"); continue; } } catch (InputMismatchException e) { System.out.println( "Invalid input; re-enter slot number:"); continue; } // This game has two player 0 and X. if (board[numInput - 1].equals( String.valueOf(numInput))) { board[numInput - 1] = turn; if (turn.equals("X")) { turn = "O"; } else { turn = "X"; } printBoard(); winner = checkWinner(); } else { System.out.println( "Slot already taken; re-enter slot number:"); } } if (winner.equalsIgnoreCase("draw")) { System.out.println( "It's a draw!"); } else { System.out.println( "Good Job! " + winner + "'s has won!"); } } }
I need to see the output for this TicTacToe Java code.
import java.util.*;
public class Tictactoe {
static String[] board;
static String turn;
static String checkWinner()
{
for (int a = 0; a < 8; a++) {
String line = null;
switch (a) {
case 0:
line = board[0] + board[1] + board[2];
break;
case 1:
line = board[3] + board[4] + board[5];
break;
case 2:
line = board[6] + board[7] + board[8];
break;
case 3:
line = board[0] + board[3] + board[6];
break;
case 4:
line = board[1] + board[4] + board[7];
break;
case 5:
line = board[2] + board[5] + board[8];
break;
case 6:
line = board[0] + board[4] + board[8];
break;
case 7:
line = board[2] + board[4] + board[6];
break;
}
if (line.equals("XXX")) {
return "X";
}
else if (line.equals("OOO")) {
return "O";
}
}
for (int a = 0; a < 9; a++) {
if (Arrays.asList(board).contains(
String.valueOf(a + 1))) {
break;
}
else if (a == 8) {
return "draw";
}
}
System.out.println(
turn + "'s turn; enter a slot number to place "
+ turn + " in:");
return null;
}
// To print out the board.
/* |---|---|---|
| 1 | 2 | 3 |
|-----------|
| 4 | 5 | 6 |
|-----------|
| 7 | 8 | 9 |
|---|---|---|*/
static void printBoard()
{
System.out.println("|---|---|---|");
System.out.println("| " + board[0] + " | "
+ board[1] + " | " + board[2]
+ " |");
System.out.println("|-----------|");
System.out.println("| " + board[3] + " | "
+ board[4] + " | " + board[5]
+ " |");
System.out.println("|-----------|");
System.out.println("| " + board[6] + " | "
+ board[7] + " | " + board[8]
+ " |");
System.out.println("|---|---|---|");
}
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);
board = new String[9];
turn = "X";
String winner = null;
for (int a = 0; a < 9; a++) {
board[a] = String.valueOf(a + 1);
}
System.out.println("Welcome to 3x3 Tic Tac Toe.");
printBoard();
System.out.println(
"X will play first. Enter a slot number to place X in:");
while (winner == null) {
int numInput;
try {
numInput = in.nextInt();
if (!(numInput > 0 && numInput <= 9)) {
System.out.println(
"Invalid input; re-enter slot number:");
continue;
}
}
catch (InputMismatchException e) {
System.out.println(
"Invalid input; re-enter slot number:");
continue;
}
// This game has two player 0 and X.
if (board[numInput - 1].equals(
String.valueOf(numInput))) {
board[numInput - 1] = turn;
if (turn.equals("X")) {
turn = "O";
}
else {
turn = "X";
}
printBoard();
winner = checkWinner();
}
else {
System.out.println(
"Slot already taken; re-enter slot number:");
}
}
if (winner.equalsIgnoreCase("draw")) {
System.out.println(
"It's a draw!");
}
else {
System.out.println(
"Good Job! " + winner
+ "'s has won!");
}
}
}
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