TicTacToe Sederhana

import java.util.Scanner;

public class TicTacToe {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        char[][] tictactoe = new char[3][3];
        for (int i = 0; i < 3; i++) {
            String temp = scanner.next();
            for (int j = 0; j < 3; j++) {
                tictactoe[i][j] = temp.charAt(j);
            }
        }
        System.out.println(checkPemenang(tictactoe));
    }
    //Method buat cek pemenang
    public static String checkPemenang(char[][] papan) {
        String temp = "";
        for (int i = 0; i < 3; i++) {
            if ((papan[i][0] == papan[i][1] && papan[i][1] == papan[i][2])) { //Row
               temp=((papan[i][1] == 'X' ? "Ananda" : "Nazura") + " Menang");
            } else if ((papan[0][i] == papan[1][i] && papan[1][i] == papan[2][i])) {//Column
                temp=((papan[1][i] == 'X' ? "Ananda" : "Nazura") + " Menang");
            } else if ((papan[0][0] == papan[1][1] && papan[1][1] == papan[2][2])) {//Diag
                temp=((papan[1][1] == 'X' ? "Ananda" : "Nazura") + " Menang");
            } else if ((papan[0][2] == papan[1][1] && papan[1][1] == papan[2][0])) {//Diag
                temp=((papan[1][1] == 'X' ? "Ananda" : "Nazura") + " Menang");
            }
        }
        if (temp.equals(""))temp = "Seri";
        return temp;
    }
}