Java Console Games • 46 min read

Make RPS, Tic-Tack-Toe, and Higher Lower into different cells and objects. Document each cell in Jupyter Notebooks.

import java.util.Scanner; //library for user input
import java.lang.Math; //library for random numbers

public class ConsoleGame {
    public final String DEFAULT = "\u001B[0m";  // Default Terminal Color
    
    public ConsoleGame() {
        Scanner sc = new Scanner(System.in);  // using Java Scanner Object
        
        boolean quit = false;
        while (!quit) {
            this.menuString();  // print Menu
            try {
                int choice = sc.nextInt();  // using method from Java Scanner Object
                System.out.print("" + choice + ": ");
                quit = this.action(choice);  // take action
            } catch (Exception e) {
                sc.nextLine(); // error: clear buffer
                System.out.println(e + ": Not a number, try again.");
            }
            
        }
        sc.close();
    }

    public void menuString(){
        String menuText = ""
                + "\u001B[35m___________________________\n"  
                + "|~~~~~~~~~~~~~~~~~~~~~~~~~|\n"
                + "|\u001B[0m          Menu!          \u001B[35m|\n"
                + "|~~~~~~~~~~~~~~~~~~~~~~~~~|\n"
                + "| 0 - Exit                |\n"    
                + "| 1 - Rock Paper Scissors |\n"
                + "| 2 - Higher or Lower     |\n"
                + "| 3 - Tic Tac Toe         |\n"
                + "|_________________________|   \u001B[0m\n"
                + "\n"
                + "Choose an option.\n"
                ;
        System.out.println(menuText);
    }

    private boolean action(int selection) {
        boolean quit = false;
        switch (selection) {  // Switch or Switch/Case is Control Flow statement and is used to evaluate the user selection
            case 0:
                System.out.print("Goodbye, World!"); 
                quit = true; 
                break;
            case 1:
                rps();
                break;
            case 2:
                horl();
                break;
            case 3:
                ticTacToe();
                break;`
                    
            default:
                //Prints error message from console
                System.out.print("Unexpected choice, try again.");
        }
        System.out.println(DEFAULT);  // make sure to reset color and provide new line
        return quit;
    }

                                           

    static public void main(String[] args)  {  
        new ConsoleGame(); // starting Menu object
    }


}
ConsoleGame.main(null);

___________________________
|~~~~~~~~~~~~~~~~~~~~~~~~~|
|          Menu!          |
|~~~~~~~~~~~~~~~~~~~~~~~~~|
| 0 - Exit                |
| 1 - Rock Paper Scissors |
| 2 - Higher or Lower     |
| 3 - Tic Tac Toe         |
|_________________________|   

Choose an option.

1: Rock Paper Scissors
Type r for rock, p for paper, or s for scissors
You chose rock 
The computer chose scissors 
You win!

___________________________
|~~~~~~~~~~~~~~~~~~~~~~~~~|
|          Menu!          |
|~~~~~~~~~~~~~~~~~~~~~~~~~|
| 0 - Exit                |
| 1 - Rock Paper Scissors |
| 2 - Higher or Lower     |
| 3 - Tic Tac Toe         |
|_________________________|   

Choose an option.

2: Higher or Lower
You have three guesses to guess the number I am thinking of between 1-8.
If you guess the number correctly, you win!
java.util.InputMismatchException: Not a number, try again.
___________________________
|~~~~~~~~~~~~~~~~~~~~~~~~~|
|          Menu!          |
|~~~~~~~~~~~~~~~~~~~~~~~~~|
| 0 - Exit                |
| 1 - Rock Paper Scissors |
| 2 - Higher or Lower     |
| 3 - Tic Tac Toe         |
|_________________________|   

Choose an option.

java.util.InputMismatchException: Not a number, try again.
___________________________
|~~~~~~~~~~~~~~~~~~~~~~~~~|
|          Menu!          |
|~~~~~~~~~~~~~~~~~~~~~~~~~|
| 0 - Exit                |
| 1 - Rock Paper Scissors |
| 2 - Higher or Lower     |
| 3 - Tic Tac Toe         |
|_________________________|   

Choose an option.

24234214: Unexpected choice, try again.
___________________________
|~~~~~~~~~~~~~~~~~~~~~~~~~|
|          Menu!          |
|~~~~~~~~~~~~~~~~~~~~~~~~~|
| 0 - Exit                |
| 1 - Rock Paper Scissors |
| 2 - Higher or Lower     |
| 3 - Tic Tac Toe         |
|_________________________|   

Choose an option.

Higher or Lower

public void horl(){
    System.out.println("Higher or Lower");
    System.out.println("You have three guesses to guess the number I am thinking of between 1-8.");
    System.out.println("If you guess the number correctly, you win!");
    Scanner scHL = new Scanner(System.in);
    int randomG = (int) (Math.random() * 8) + 1;
    int guess = scHL.nextInt();
    for(int i = 3; i > 0; i--){
        if(guess == randomG){
            System.out.println("You win!");
            break;
        }
        else if(guess > randomG){
            System.out.println("The number is lower");
        }
        else if(guess < randomG){
            System.out.println("The number is higher");
        }
        guess = scHL.nextInt();
    }
    System.out.println("Game over.");
    scHL.close();
}
      

rock paper scissors

public void rps(){
    System.out.println("Rock Paper Scissors");
    System.out.println("Type r for rock, p for paper, or s for scissors");
    Scanner scRPS = new Scanner(System.in);
    String userChoice = scRPS.nextLine().toLowerCase();
    Boolean quit = false;
    int random = (int) (Math.random() * 3);
    while(quit == false){
        if(userChoice.equals("r")){
            if(random == 1){
                System.out.println("You chose rock \nThe computer chose paper \nYou lose!");
            }
            else if(random == 2){
                System.out.println("You chose rock \nThe computer chose scissors \nYou win!");
            }
            else{
                System.out.println("You chose rock \nThe computer chose rock \nIt's a tie!");
            }
            quit = true;
        }
        else if(userChoice.equals("p")){
            if(random == 1){
                System.out.println("You chose paper \nThe computer chose paper \nIt's a tie!");
            }
            else if(random == 2){
                System.out.println("You chose paper \nThe computer chose scissors \nYou lose!");
            }
            else{
                System.out.println("You chose paper \nThe computer chose rock \nYou win!");
            }
            quit = true;

        }
        else if(userChoice.equals("s")){
            if(random == 1){
                System.out.println("You chose scissors \nThe computer chose paper \nYou win!");
            }
            else if(random == 2){
                System.out.println("You chose scissors \nThe computer chose scissors \nIt's a tie!");
            }
            else{
                System.out.println("You chose scissors \nThe computer chose rock \nYou lose!");
            }
            quit = true;

        }
        else{
            System.out.println("Invalid input, try again");
            userChoice = scRPS.nextLine();
        }            
    }
    scRPS.close();
}

Tic Tac Toe

public void ticTacToe(){
    System.out.println("Tic Tac Toe");
    Scanner scTTT = new Scanner(System.in);
    String[] board = {"1", "2", "3", "4", "5", "6", "7", "8", "9"};
    String player = "X";
    String player2 = "O";
    int turn = 0;
    Boolean quit = false;
    System.out.println("Do you want to play against a friend or the computer?");
    System.out.println("Type 1 for friend, 2 for computer");
    int choice = scTTT.nextInt();
    //make tic tac toe using player1 and player2
    if(choice == 1){                
        System.out.println("Type the number of the square you want to place your piece in");
        while(quit == false){
            System.out.println("Player 1's turn (X)");
            System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
            System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
            System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
            int move = scTTT.nextInt();
            if(board[move - 1].equals("X") || board[move - 1].equals("O")){
                System.out.println("That square is already taken, try again");
            }
            else{
                board[move - 1] = player;
                turn++;
                if(board[0].equals("X") && board[1].equals("X") && board[2].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[3].equals("X") && board[4].equals("X") && board[5].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[6].equals("X") && board[7].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[0].equals("X") && board[3].equals("X") && board[6].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[1].equals("X") && board[4].equals("X") && board[7].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[2].equals("X") && board[5].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[0].equals("X") && board[4].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[2].equals("X") && board[4].equals("X") && board[6].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(turn == 9){
                    System.out.println("It's a tie!");
                    quit = true;
                }
                else{
                    System.out.println("Player 2's turn (O)");
                    System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                    System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                    System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                    int move2 = scTTT.nextInt();
                    if(board[move2 - 1].equals("X") || board[move2 - 1].equals("O")){
                        System.out.println("That square is already taken, try again");
                    }
                    else{
                        board[move2 - 1] = player2;
                        turn++;
                        if(board[0].equals("O") && board[1].equals("O") && board[2].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                        else if(board[3].equals("O") && board[4].equals("O") && board[5].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                        else if(board[6].equals("O") && board[7].equals("O") && board[8].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                        else if(board[0].equals("O") && board[3].equals("O") && board[6].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                        else if(board[1].equals("O") && board[4].equals("O") && board[7].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                        else if(board[2].equals("O") && board[5].equals("O") && board[8].equals("O")){
                            System.out.println("Player 2 wins!");
                            quit = true;
                        }
                    }
                }
            }
        }
    }
    if(choice == 2){
        String computer = "O";
        System.out.println("Type the number of the square you want to place your piece in");
        while(quit == false){
            System.out.println("Player 1's turn (X)");
            System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
            System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
            System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
            int move = scTTT.nextInt();
            if(board[move - 1].equals("X") || board[move - 1].equals("O")){
                System.out.println("That square is already taken, try again");
            }
            else{
                board[move - 1] = player;
                turn++;
                if(board[0].equals("X") && board[1].equals("X") && board[2].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[3].equals("X") && board[4].equals("X") && board[5].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[6].equals("X") && board[7].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[0].equals("X") && board[3].equals("X") && board[6].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[1].equals("X") && board[4].equals("X") && board[7].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[2].equals("X") && board[5].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[0].equals("X") && board[4].equals("X") && board[8].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(board[2].equals("X") && board[4].equals("X") && board[6].equals("X")){
                    System.out.println("Player 1 wins!");
                    quit = true;
                }
                else if(turn == 9){
                    System.out.println("It's a tie!");
                    quit = true;
                }
                else{
                    System.out.println("Computer's turn (O)");
                    System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                    System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                    System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                    int move2 = (int)(Math.random() * 9) + 1;
                    if(board[move2 - 1].equals("X") || board[move2 - 1].equals("O")){
                        System.out.println("That square is already taken, try again");
                    }
                    else{
                        board[move2 - 1] = computer;
                        turn++;
                        if(board[0].equals("O") && board[1].equals("O") && board[2].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                        else if(board[3].equals("O") && board[4].equals("O") && board[5].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                        else if(board[6].equals("O") && board[7].equals("O") && board[8].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                        else if(board[0].equals("O") && board[3].equals("O") && board[6].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                        else if(board[1].equals("O") && board[4].equals("O") && board[7].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                        else if(board[2].equals("O") && board[5].equals("O") && board[8].equals("O")){
                            System.out.println("Computer wins!");
                            quit = true;
                        }
                    }
                }
            }
        }
      
}
    scTTT.close();
}

Simplify the code

import java.util.Scanner;
import java.util.Random;

public class ConsoleGame {
    private Scanner scanner = new Scanner(System.in);
    private Random random = new Random();

    public static void main(String[] args) {
        new ConsoleGame().run();
    }

    private void run() {
        boolean quit = false;
        while (!quit) {
            printMenu();
            int choice = readIntInput("Choose an option: ");
            quit = performAction(choice);
        }
        scanner.close();
    }

    private void printMenu() {
        System.out.println(
            "___________________________\n" +
            "|~~~~~~~~~~~~~~~~~~~~~~~~~|\n" +
            "|          Menu!          |\n" +
            "|~~~~~~~~~~~~~~~~~~~~~~~~~|\n" +
            "| 0 - Exit                |\n" +
            "| 1 - Rock Paper Scissors |\n" +
            "| 2 - Higher or Lower     |\n" +
            "| 3 - Tic Tac Toe         |\n" +
            "|_________________________|"
        );
    }

    private int readIntInput(String message) {
        System.out.print(message);
        return scanner.nextInt();
    }

    private boolean performAction(int choice) {
        switch (choice) {
            case 0:
                System.out.println("Goodbye, World!");
                return true;
            case 1:
                playRPS();
                break;
            case 2:
                playHigherOrLower();
                break;
            case 3:
                playTicTacToe();
                break;
            default:
                System.out.println("Unexpected choice, try again.");
        }
        return false;
    }

    private void playRPS() {
        System.out.println("Higher or Lower");
        System.out.println("You have three guesses to guess the number I am thinking of between 1-8.");
        System.out.println("If you guess the number correctly, you win!");
        Scanner scHL = new Scanner(System.in);
        int randomG = (int) (Math.random() * 8) + 1;
        int guess = scHL.nextInt();
        for(int i = 3; i > 0; i--){
            if(guess == randomG){
                System.out.println("You win!");
                break;
            }
            else if(guess > randomG){
                System.out.println("The number is lower");
            }
            else if(guess < randomG){
                System.out.println("The number is higher");
            }
            guess = scHL.nextInt();
        }
        System.out.println("Game over.");
        scHL.close();
    }

    private void playHigherOrLower() {
        System.out.println("Rock Paper Scissors");
        System.out.println("Type r for rock, p for paper, or s for scissors");
        Scanner scRPS = new Scanner(System.in);
        String userChoice = scRPS.nextLine().toLowerCase();
        Boolean quit = false;
        int random = (int) (Math.random() * 3);
        while(quit == false){
            if(userChoice.equals("r")){
                if(random == 1){
                    System.out.println("You chose rock \nThe computer chose paper \nYou lose!");
                }
                else if(random == 2){
                    System.out.println("You chose rock \nThe computer chose scissors \nYou win!");
                }
                else{
                    System.out.println("You chose rock \nThe computer chose rock \nIt's a tie!");
                }
                quit = true;
            }
            else if(userChoice.equals("p")){
                if(random == 1){
                    System.out.println("You chose paper \nThe computer chose paper \nIt's a tie!");
                }
                else if(random == 2){
                    System.out.println("You chose paper \nThe computer chose scissors \nYou lose!");
                }
                else{
                    System.out.println("You chose paper \nThe computer chose rock \nYou win!");
                }
                quit = true;
    
            }
            else if(userChoice.equals("s")){
                if(random == 1){
                    System.out.println("You chose scissors \nThe computer chose paper \nYou win!");
                }
                else if(random == 2){
                    System.out.println("You chose scissors \nThe computer chose scissors \nIt's a tie!");
                }
                else{
                    System.out.println("You chose scissors \nThe computer chose rock \nYou lose!");
                }
                quit = true;
    
            }
            else{
                System.out.println("Invalid input, try again");
                userChoice = scRPS.nextLine();
            }            
        }
        scRPS.close();
    }

    private void playTicTacToe() {
        System.out.println("Tic Tac Toe");
        Scanner scTTT = new Scanner(System.in);
        String[] board = {"1", "2", "3", "4", "5", "6", "7", "8", "9"};
        String player = "X";
        String player2 = "O";
        int turn = 0;
        Boolean quit = false;
        System.out.println("Do you want to play against a friend or the computer?");
        System.out.println("Type 1 for friend, 2 for computer");
        int choice = scTTT.nextInt();
        //make tic tac toe using player1 and player2
        if(choice == 1){                
            System.out.println("Type the number of the square you want to place your piece in");
            while(quit == false){
                System.out.println("Player 1's turn (X)");
                System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                int move = scTTT.nextInt();
                if(board[move - 1].equals("X") || board[move - 1].equals("O")){
                    System.out.println("That square is already taken, try again");
                }
                else{
                    board[move - 1] = player;
                    turn++;
                    if(board[0].equals("X") && board[1].equals("X") && board[2].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[3].equals("X") && board[4].equals("X") && board[5].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[6].equals("X") && board[7].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[0].equals("X") && board[3].equals("X") && board[6].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[1].equals("X") && board[4].equals("X") && board[7].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[2].equals("X") && board[5].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[0].equals("X") && board[4].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[2].equals("X") && board[4].equals("X") && board[6].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(turn == 9){
                        System.out.println("It's a tie!");
                        quit = true;
                    }
                    else{
                        System.out.println("Player 2's turn (O)");
                        System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                        System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                        System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                        int move2 = scTTT.nextInt();
                        if(board[move2 - 1].equals("X") || board[move2 - 1].equals("O")){
                            System.out.println("That square is already taken, try again");
                        }
                        else{
                            board[move2 - 1] = player2;
                            turn++;
                            if(board[0].equals("O") && board[1].equals("O") && board[2].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                            else if(board[3].equals("O") && board[4].equals("O") && board[5].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                            else if(board[6].equals("O") && board[7].equals("O") && board[8].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                            else if(board[0].equals("O") && board[3].equals("O") && board[6].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                            else if(board[1].equals("O") && board[4].equals("O") && board[7].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                            else if(board[2].equals("O") && board[5].equals("O") && board[8].equals("O")){
                                System.out.println("Player 2 wins!");
                                quit = true;
                            }
                        }
                    }
                }
            }
        }
        if(choice == 2){
            String computer = "O";
            System.out.println("Type the number of the square you want to place your piece in");
            while(quit == false){
                System.out.println("Player 1's turn (X)");
                System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                int move = scTTT.nextInt();
                if(board[move - 1].equals("X") || board[move - 1].equals("O")){
                    System.out.println("That square is already taken, try again");
                }
                else{
                    board[move - 1] = player;
                    turn++;
                    if(board[0].equals("X") && board[1].equals("X") && board[2].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[3].equals("X") && board[4].equals("X") && board[5].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[6].equals("X") && board[7].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[0].equals("X") && board[3].equals("X") && board[6].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[1].equals("X") && board[4].equals("X") && board[7].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[2].equals("X") && board[5].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[0].equals("X") && board[4].equals("X") && board[8].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(board[2].equals("X") && board[4].equals("X") && board[6].equals("X")){
                        System.out.println("Player 1 wins!");
                        quit = true;
                    }
                    else if(turn == 9){
                        System.out.println("It's a tie!");
                        quit = true;
                    }
                    else{
                        System.out.println("Computer's turn (O)");
                        System.out.println(board[0] + " | " + board[1] + " | " + board[2]);
                        System.out.println(board[3] + " | " + board[4] + " | " + board[5]);
                        System.out.println(board[6] + " | " + board[7] + " | " + board[8]);
                        int move2 = (int)(Math.random() * 9) + 1;
                        if(board[move2 - 1].equals("X") || board[move2 - 1].equals("O")){
                            System.out.println("That square is already taken, try again");
                        }
                        else{
                            board[move2 - 1] = computer;
                            turn++;
                            if(board[0].equals("O") && board[1].equals("O") && board[2].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                            else if(board[3].equals("O") && board[4].equals("O") && board[5].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                            else if(board[6].equals("O") && board[7].equals("O") && board[8].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                            else if(board[0].equals("O") && board[3].equals("O") && board[6].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                            else if(board[1].equals("O") && board[4].equals("O") && board[7].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                            else if(board[2].equals("O") && board[5].equals("O") && board[8].equals("O")){
                                System.out.println("Computer wins!");
                                quit = true;
                            }
                        }
                    }
                }
            }
          
    }
        scTTT.close();
    }
}