Java Tic Tac Toe Project Help Needed

[SuperApple]

Hey, im making tic tac toe as my final project, and im gonna need some help. this is what i have so far:

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

public class TicTacToe extends JFrame implements ActionListener
{
	private JButton[][]buttons;
	public JButton[][] fillArray()
	{
		String names="012345678";
		JButton [][]buttonArray=new JButton[3][3];
		int x=0;
		for(int r=0;r<3;r++)
		{
			for(int c=0;c<3;c++)
			{
				buttonArray[r][c]=new JButton();
				buttonArray[r][c].addActionListener(this);
				buttonArray[r][c].setActionCommand(names.substring(x,x+1));     
				buttonArray[r][c].setBackground(Color.black);
				buttonArray[r][c].setForeground(Color.white);
				Font fontType = new Font("Serif", Font.BOLD, 100);
				buttonArray[r][c].setFont(fontType);
				contentPane.add(buttonArray[r][c]);
				x++;
			}
		}
		return buttonArray;
	}

	private static Container contentPane;
	public TicTacToe()
	{
		setSize(800, 600);
		setTitle("Tic Tac Toe");
		contentPane = getContentPane(); 
		contentPane.setLayout(new GridLayout(3,3));
		buttons=fillArray();			
	}

	public void actionPerformed(ActionEvent event)
	{
		Container contentPane = getContentPane();

		int i = 1;
		if(event.getActionCommand().equals("0"))
		{
			if(i%2==0)
			{
				buttons[0][0].setText("X");
			}
			else
			{
				buttons[0][0].setText("O");
			}
		}
		else if(event.getActionCommand().equals("1"))
		{
			if(i%2==0)
			{
				buttons[0][1].setText("X");
			}
			else
			{
				buttons[0][1].setText("O");
			}
		}

		else if(event.getActionCommand().equals("2"))
		{
			if(i%2==0)
			{
				buttons[0][2].setText("X");

			}
			else
			{
				buttons[0][2].setText("O");

			}
		}


		else if(event.getActionCommand().equals("3"))
		{
			if(i%2==0)
			{
				buttons[1][0].setText("X");
			}
			else
			{
				buttons[1][0].setText("O");
			}
		}

		else if( event.getActionCommand().equals("4"))
		{
			if(i%2==0)
			{
				buttons[1][1].setText("X");
			}
			else
			{
				buttons[1][1].setText("O");
			}
		}

		else if(event.getActionCommand().equals("5"))
		{
			if(i%2==0)
			{
				buttons[1][2].setText("X");
			}
			else
			{
				buttons[1][2].setText("O");
			}
		}


		else if(event.getActionCommand ().equals("6"))
		{
			if(i%2==0)
			{
				buttons[2][0].setText("X");
			}
			else
			{
				buttons[2][0].setText("O");
			}
		}


		else if(event.getActionCommand().equals("7"))
		{
			if(i%2==0)
			{
				buttons[2][1].setText("X");
			}
			else
			{
				buttons[2][1].setText("O");
			}
		}
		else if(event.getActionCommand().equals("8"))
		{
			if(i%2==0)
			{
				buttons[2][2].setText("X");
			}
			else
			{
				buttons[2][2].setText("O");
			}
		}

		else if(event.getActionCommand().equals("Exit"))
			System.exit(0);

		else System.out.println("Error in button interface.");
	}

	public static void main(String[] args)
	{
		TicTacToe buttonGui= new TicTacToe();
		buttonGui.setVisible(true);
	}

}

ok new problem. i have no clue where the i++ is supposed to go. where is it supposed to go?!?! ive been trying a bunch of places but none have worked. help?

[michaelely]

have you ended up completing the program?

I am working on the same program for school and I need help.

[SuperApple]

yea its done but im really pissed off at my teacher cuz she doesnt like the way i used my for loop and if statements in the checker method. ill post the code tomorrow so somebody could see if there's a better way to use it. what school to u go to, michael? what grade?

[michaelely]

I'm a 9th grader from Churchill High School in Potomac, Maryland.

[SuperApple]

thats funny, im a 10th grader from churchill high school in potomac, maryland...do u have steelman or monshi?

[michaelely]

steelman period 1

[SuperApple]

um you're in my class...thats really funny. my real name is eddy, do you recognize that name? cuz i dont recognize yours lol

[michaelely]

I sit next to josh, lawrence, and brian. Are you next to lawrence? I think I copied most of your program today.

[SuperApple]

hahaha yeah that was you, yea i sit next to lawrence lol

[michaelely]

alright well I need help tomorrow

[SuperApple]

i hope you took notes cuz steelman's being really annoying