Hint : Create a Tic-Tac-Toe game for two players. The game will take in a locati
ID: 3700844 • Letter: H
Question
Hint :Create a Tic-Tac-Toe game for two players. The game will take in a location on the game board (1-9) and place the player's mark ("X" or "O") onto the board on the requested location. It is suggested that you use a 2-dimensional String array to store your board. It should have 3 rows and 3 columns You should only need to use one board in your game. The game should print out current layout of the board before we request a location from the currently player. If neither player has selected a location, we should print out a number the player can use to select that location. If a player has selected a location, we should print out that player's mark. As we play the game, we should detcrmine whether or not the user has successfully won the game by checking to see if we have three of the same mark in a row in 8 different directions An example Java file has been provided to help with breaking up the problem into different methods Reference: https://en.wikipedia.org/wiki/Tic-tac-toe
Explanation / Answer
Code
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.Scanner;
public class tictactoe {
static Scanner in;
static String[] board;
static String turn;
public static void main(String[] args) {
in = new Scanner(System.in);
board = new String[9];
turn = "X";
String winner = null;
EmptyBoardPrint();
System.out.println("Welcome to 2 Player Tic Tac Toe.");
System.out.println("--------------------------------");
Boardprint();
System.out.println("X's will play first. Enter a location 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 location:");
continue;
}
} catch (InputMismatchException e) {
System.out.println("Invalid input; re-enter location:");
continue;
}
if (board[numInput-1].equals(String.valueOf(numInput))) {
board[numInput-1] = turn;
if (turn.equals("X")) {
turn = "O";
} else {
turn = "X";
}
Boardprint();
winner = Winner();
} else {
System.out.println("Location already taken; please re-enter location:");
continue;
}
}
if (winner.equalsIgnoreCase("draw")) {
System.out.println("It's a draw! Thanks for playing.");
} else {
System.out.println("Congratulations! " + winner + "'s have won! Thanks for playing.");
}
}
static String Winner() {
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 location " + turn + " in:");
return null;
}
static void Boardprint() {
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] + " |");
}
static void EmptyBoardPrint() {
for (int a = 0; a < 9; a++) {
board[a] = String.valueOf(a+1);
}
}
}
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