Skip to content

hv2 #68

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
KatyaMakarichak wants to merge 1 commit into
base: main
Choose a base branch
from
Open

hv2 #68

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
168 changes: 104 additions & 64 deletions src/main/java/App.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,89 +2,129 @@

public class App {

private static final char PLAYER_SYMBOL = 'X';
private static final char COMPUTER_SYMBOL = 'O';
private static final int BOARD_SIZE = 9;

public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
byte input;
byte rand;
byte i;
boolean boxAvailable = false;
byte winner = 0;
char box[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
System.out.println("Enter box number to select. Enjoy!\n");

boolean boxEmpty = false;
Scanner scanner = new Scanner(System.in);
char[] board = initializeBoard();
int winner = 0;

System.out.println("Welcome to Tic-Tac-Toe!\nEnter a number (1-9) to place your symbol.\n");

while (true) {
System.out.println("\n\n " + box[0] + " | " + box[1] + " | " + box[2] + " ");
System.out.println("-----------");
System.out.println(" " + box[3] + " | " + box[4] + " | " + box[5] + " ");
System.out.println("-----------");
System.out.println(" " + box[6] + " | " + box[7] + " | " + box[8] + " \n");
if(!boxEmpty){
for(i = 0; i < 9; i++)
box[i] = ' ';
boxEmpty = true;
}
printBoard(board);

if(winner == 1){
System.out.println("You won the game!\nCreated by Shreyas Saha. Thanks for playing!");
break;
} else if(winner == 2){
System.out.println("You lost the game!\nCreated by Shreyas Saha. Thanks for playing!");
break;
} else if(winner == 3){
System.out.println("It's a draw!\nCreated by Shreyas Saha. Thanks for playing!");
if (winner != 0) {
printResult(winner);
break;
}

while (true) {
input = scan.nextByte();
if (input > 0 && input < 10) {
if (box[input - 1] == 'X' || box[input - 1] == 'O')
System.out.println("That one is already in use. Enter another.");
else {
box[input - 1] = 'X';
break;
}
}
else
System.out.println("Invalid input. Enter again.");
int playerMove = getPlayerMove(scanner, board);
board[playerMove] = PLAYER_SYMBOL;

if (checkWinner(board, PLAYER_SYMBOL)) {
winner = 1;
continue;
}

if((box[0]=='X' && box[1]=='X' && box[2]=='X') || (box[3]=='X' && box[4]=='X' && box[5]=='X') || (box[6]=='X' && box[7]=='X' && box[8]=='X') ||
(box[0]=='X' && box[3]=='X' && box[6]=='X') || (box[1]=='X' && box[4]=='X' && box[7]=='X') || (box[2]=='X' && box[5]=='X' && box[8]=='X') ||
(box[0]=='X' && box[4]=='X' && box[8]=='X') || (box[2]=='X' && box[4]=='X' && box[6]=='X')){
winner = 1;
continue;
if (isDraw(board)) {
winner = 3;
continue;
}

boxAvailable = false;
for(i=0; i<9; i++){
if(box[i] != 'X' && box[i] != 'O'){
boxAvailable = true;
break;
}
int computerMove = getComputerMove(board);
board[computerMove] = COMPUTER_SYMBOL;

if (checkWinner(board, COMPUTER_SYMBOL)) {
winner = 2;
}

if(boxAvailable == false){
if (isDraw(board)) {
winner = 3;
continue;
}
}

while (true) {
rand = (byte) (Math.random() * (9 - 1 + 1) + 1);
if (box[rand - 1] != 'X' && box[rand - 1] != 'O') {
box[rand - 1] = 'O';
break;
scanner.close();
}

private static char[] initializeBoard() {
char[] board = new char[BOARD_SIZE];
for (int i = 0; i < BOARD_SIZE; i++) {
board[i] = ' ';
}
return board;
}

private static void printBoard(char[] board) {
System.out.println("\n");
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();
}

private static int getPlayerMove(Scanner scanner, char[] board) {
int move;
while (true) {
System.out.print("Your move (1-9): ");
if (scanner.hasNextInt()) {
move = scanner.nextInt() - 1;
if (move >= 0 && move < BOARD_SIZE) {
if (board[move] == ' ') {
return move;
} else {
System.out.println("Cell already taken. Try another.");
}
} else {
System.out.println("Please enter a number between 1 and 9.");
}
} else {
System.out.println("Invalid input. Enter a number.");
scanner.next(); // clear non-integer input
}
}
}

if((box[0]=='O' && box[1]=='O' && box[2]=='O') || (box[3]=='O' && box[4]=='O' && box[5]=='O') || (box[6]=='O' && box[7]=='O' && box[8]=='O') ||
(box[0]=='O' && box[3]=='O' && box[6]=='O') || (box[1]=='O' && box[4]=='O' && box[7]=='O') || (box[2]=='O' && box[5]=='O' && box[8]=='O') ||
(box[0]=='O' && box[4]=='O' && box[8]=='O') || (box[2]=='O' && box[4]=='O' && box[6]=='O')){
winner = 2;
continue;
private static int getComputerMove(char[] board) {
int move;
while (true) {
move = (int) (Math.random() * BOARD_SIZE);
if (board[move] == ' ') {
return move;
}
}
}

private static boolean checkWinner(char[] board, char symbol) {
return (board[0] == symbol && board[1] == symbol && board[2] == symbol) ||
(board[3] == symbol && board[4] == symbol && board[5] == symbol) ||
(board[6] == symbol && board[7] == symbol && board[8] == symbol) ||
(board[0] == symbol && board[3] == symbol && board[6] == symbol) ||
(board[1] == symbol && board[4] == symbol && board[7] == symbol) ||
(board[2] == symbol && board[5] == symbol && board[8] == symbol) ||
(board[0] == symbol && board[4] == symbol && board[8] == symbol) ||
(board[2] == symbol && board[4] == symbol && board[6] == symbol);
}

private static boolean isDraw(char[] board) {
for (char c : board) {
if (c == ' ') {
return false;
}
}
return true;
}

private static void printResult(int winner) {
switch (winner) {
case 1 -> System.out.println("🎉 You won the game!");
case 2 -> System.out.println("😞 You lost the game!");
case 3 -> System.out.println("🤝 It's a draw!");
}
System.out.println("Created by Shreyas Saha. Thanks for playing!");
}
}
}