Java-Codes/TicTacToe.java at master · aakriti1998/Java-Codes · GitHub

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import java.util.Scanner;

/**
 * class TicTacToe takes in user input and prints the game to the screen
 */
public class TicTacToe {

    public static void main(String args[]) {
        int flag = 0;

        Scanner in = new Scanner(System.in);

        System.out.println("Enter name\nPlayer 1 :");
        // get name1
        String name1 = in.nextLine();

        System.out.println("Player 2 :");
        // get name2
        String name2 = in.nextLine();
        // 2D array of 3 elements each
        char[][] m = new char[3][3];
        Setm(m);

        int r, c, count = 0, u = 1;

        // 9 moves in TicTacToe game
        while (count < 9) {
            RefPos(u);

            r = in.nextInt();

            c = in.nextInt();

            if (m[r][c] != ' ') {
                continue;
            }

            count++;

            if (u == 1) {
                m[r][c] = '0';

                u = 2;
                Printm(m);
            } else if (u == 2) {
                m[r][c] = 'x';

                u = 1;
                Printm(m);
            }
            if (count >= 5) {
                flag = Check(m);

                if (flag > 0) {
                    if (u == 1) {
                        System.out.println("\nPlayer 2 : " + name2 + ", Won!!");
                        return;
                    } else {
                        System.out.println("\nPlayer 1 : " + name1 + ", Won!!");
                        return;
                    }
                }
            }
        }
        System.out.println("\nMatch Drawn - Tie!!");
    }

    public static int Check(char[][] m) {

        for (int i = 0; i < 3; i++) {
            if ((m[i][0] == m[i][1]) && (m[i][0] == m[i][2]) && (m[i][1] == m[i][2]) && (m[i][0] == m[i][2]) && m[i][0] != ' ') {
                return 1;
            }

            if ((m[0][i] == m[1][i]) && (m[0][i] == m[2][i]) && (m[1][i] == m[2][i]) && (m[i][0] == m[2][i]) && m[0][i] != ' ') {
                return 2;
            }
        }
        if ((m[0][0] == m[1][1]) && (m[0][0] == m[2][2]) && (m[1][1] == m[2][2]) && (m[0][0] == m[2][2]) && m[0][0] != ' ') {
            return 3;
        }

        if ((m[2][0] == m[1][1]) && (m[2][0] == m[0][2]) && (m[1][1] == m[0][2]) && (m[2][0] == m[1][1]) && m[2][0] != ' ') {
            return 4;
        }
        return 0;
    }

    public static void Printm(char[][] m) {
        System.out.println("\n\n\n\n\n");

        for (int i = 0; i < 3; ++i) {
            System.out.print("\t\t\t");

            for (int j = 0; j < 3; j++) {
                System.out.print(m[i][j]);

                if (j != 2) {
                    System.out.print(" | ");
                }
            }
            if (i != 2) {
                System.out.println("\n\t\t\t__|___|___");
            }
        }
    }

    public static void Setm(char[][] m) {
        for (int i = 0; i < 3; ++i) {
            for (int j = 0; j < 3; ++j) {
                m[i][j] = ' ';
            }
        }
    }

    public static void RefPos(int u) {
        //System.out.println("\nReference Position:\n");

        //System.out.println("(0,0) | (0,1)  | (0,2)");
        //System.out.println("______|________|______");
        //System.out.println("(1,0) | (1,1)  | (1,2)");
        //System.out.println("______|________|______");
        //System.out.println("(2,0) | (2,1)  | (2,2)");
        System.out.println("Player " + u + ", Enter values:");
    }
}