I am working on a Java GUI Tic Tac Toe game and I need to use images for the but

Question

I am working on a Java GUI Tic Tac Toe game and I need to use images for the buttons. I have the project with just text for buttons but I need 3 images to be displayed for the blocks "empty" "x" and "o". I can't seem to figure you how to make the transition from text to images.

this is what it shoudl look like:

but all I have so far are just text in the boxes for x's o's and empty spaces.

code so far:

import javax.swing.*; import java.awt.*; import java.awt.event.*; public class TicTacToeGUI extends JFrame { private static final String TITLE = "Tic Tac Toe"; private static final int WIDTH = 700; private static final int HEIGHT = 808; private Container content; private JLabel result; private JButton[] cells; private JButton exitButton; private JButton initButton; private CellButtonHandler[] cellHandlers; private ExitButtonHandler exitHandler; private InitButtonHandler initHandler; private boolean noughts; private boolean gameOver; public TicTacToeGUI() { //Necessary initialization code setTitle(TITLE); setSize(WIDTH, HEIGHT); setDefaultCloseOperation(EXIT_ON_CLOSE); //Get content pane content = getContentPane(); content.setBackground(Color.blue.darker()); //Set layout content.setLayout(new GridLayout(3, 3)); //Create cells and handlers cells = new JButton[9]; cellHandlers = new CellButtonHandler[9]; // ////////////////////////////////////////////// for (int i = 0; i < 9; i++) { // char ch = (char) ('0' + i + 1); cells[i] = new JButton(); cellHandlers[i] = new CellButtonHandler(); cells[i].addActionListener(cellHandlers[i]); } //Create init and exit buttons and handlers //Create result label result = new JLabel("Noughts", SwingConstants.CENTER); result.setForeground(Color.white); //Add elements to the grid content pane for (int i = 0; i < 9; i++) { content.add(cells[i]); } //Initialize init(); } public void init() { //Initialize booleans noughts = true; gameOver = false; //Initialize text in buttons for (int i = 0; i < 9; i++) { char ch = (char) ('0' + i + 1); cells[i].setText("" + ch); } //Initialize result label result.setText("Noughts"); setVisible(true); } public boolean checkWinner() { if (cells[0].getText().equals(cells[1].getText()) && cells[1].getText().equals(cells[2].getText())) { return true; } else if (cells[3].getText().equals(cells[4].getText()) && cells[4].getText().equals(cells[5].getText())) { return true; } else if (cells[6].getText().equals(cells[7].getText()) && cells[7].getText().equals(cells[8].getText())) { return true; } else if (cells[0].getText().equals(cells[3].getText()) && cells[3].getText().equals(cells[6].getText())) { return true; } else if (cells[1].getText().equals(cells[4].getText()) && cells[4].getText().equals(cells[7].getText())) { return true; } else if (cells[2].getText().equals(cells[5].getText()) && cells[5].getText().equals(cells[8].getText())) { return true; } else if (cells[0].getText().equals(cells[4].getText()) && cells[4].getText().equals(cells[8].getText())) { return true; } else if (cells[2].getText().equals(cells[4].getText()) && cells[4].getText().equals(cells[6].getText())) { return true; } else { return false; } } public static void main(String[] args) { //Create TicTacToe object TicTacToeGUI gui = new TicTacToeGUI(); } private class CellButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { //If game over, ignore if (gameOver) { return; } //Get button pressed JButton pressed = (JButton) (e.getSource()); //Get text of button String text = pressed.getText(); //If noughts or crosses, ignore if (text.equals("O") || text.equals("X")) { return; } //Add nought or cross if (noughts) { pressed.setText("O"); } else { pressed.setText("X"); } //Check winner if (checkWinner()) { //End of game gameOver = true; //Display winner message if (noughts) { result.setText("Noughts win!!"); } else { result.setText("Crosses win!"); } } else { //Change player noughts = !noughts; //Display player message if (noughts) { result.setText("Noughts"); } else { result.setText("Crosses"); } } } } private class ExitButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { System.exit(0); } } private class InitButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { init(); } } }

Explanation / Answer

import java.awt.event.*; import java.awt.*; import javax.swing.*; import javax.swing.JOptionPane; public class tictactoe { public static void main(String[]args) { tictactoeGUI game = new tictactoeGUI("Tic Tac Toe"); } } class tictactoeGUI extends JFrame implements ActionListener { private JButton[] button = new JButton[9]; private JButton reset = new JButton ("Reset"); private JButton quit = new JButton ("Quit"); private Container content; private JPanel buttongrid = new JPanel(); private JPanel extraP = new JPanel(); Font font = new Font("Dialog", Font.BOLD, 16); public tictactoeGUI (String str) { super(str); content = getContentPane(); content.setLayout(new BorderLayout()); buttongrid.setLayout(new GridLayout(3,3)); for(int i=0; i

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