Test

myclass.java

import java.util.Scanner;
import java.lang.Math;

public class MyClass {
    //Init a bunch of vars for everything to use
    int board[][] = new int[3][3];
    Scanner read = new Scanner(System.in);
    boolean won = false;
    int BLANK = 0;
    int X = 1;
    int O = 2;

    public static void main(String[] args) {
        MyClass TicTacToe = new MyClass();
        while(!TicTacToe.won){
            TicTacToe.printBoard();
            TicTacToe.nextMove();
            TicTacToe.checkWin();

        }
    }

    public void printBoard() {
        System.out.println("-------");
        for(int x=0; x<3;x++) {
            System.out.print("|");
            for(int y =0; y<3;y++) {
                switch(board[x][y]) {
                    case 0:
                    System.out.print(((x*3)+y) + "|");
                    //System.out.print(j);
                    break;
                    case 1:
                    System.out.print('X' + "|");
                    break;
                    case 2:
                    System.out.print('O' + "|");
                    break;
                } 
            }
        System.out.println();
        System.out.println("-------");
        }
    }

    public void nextMove() {
        System.out.println("Choose a square:");
        int move = Integer.parseInt(read.next());
        System.out.println("Chose " + move);
        if(BLANK < move+1) {
            board[][] = X;
        } else {
            System.out.println("Invalid move, try again?");
            printBoard();
            nextMove();
        }
    }

    public void opponentMove() {

    }

    public void checkWin() {
        //Check for wining here
    }

}