Tic_Tac_Toe.java

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;

public class Tic_Tac_Toe implements ActionListener{
    Random random = new Random();
    JFrame frame = new JFrame();
    JPanel title_panel = new JPanel();
    JPanel button_panel = new JPanel();
    JLabel textfield = new JLabel();
    JButton[] buttons = new JButton[9];
    boolean player1_turn;

    Tic_Tac_Toe(){
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(1000,1000);
        frame.getContentPane().setBackground(new Color(20,20,45));
        frame.setVisible(true);

        textfield.setBackground(new Color(25,25,25));
        textfield.setForeground(new Color(24,255,2));
        textfield.setFont(new Font("Lnk Free",Font.BOLD,100));
        textfield.setHorizontalAlignment(JLabel.CENTER);
        textfield.setText("Tic-Tac-Toe");
        textfield.setOpaque(true);

        title_panel.setLayout(new BorderLayout());
        title_panel.setBounds(0,0,1000,150);
        button_panel.setLayout(new GridLayout(3,3));
        button_panel.setBackground(new Color(155,155,155));

        for(int i = 0; i<9; i++){
            buttons[i] = new JButton();
            button_panel.add(buttons[i]);
            buttons[i].setFont(new Font("MV BOli",Font.BOLD,120));
            buttons[i].setFocusable(false);
            buttons[i].addActionListener(this);
        }

        title_panel.add(textfield);
        frame.add(title_panel, BorderLayout.NORTH);
        frame.add(button_panel);
        firstTurn();
    }

    @Override
    public void actionPerformed(ActionEvent e){
        for (int i = 0; i < 9; i++) {
            if(e.getSource()==buttons[i]){
                if(player1_turn ){
                    if(buttons[i].getText().equals("")){
                        buttons[i].setForeground(new Color(245,34,98));
                        buttons[i].setText("X");
                        player1_turn = false;
                        textfield.setText("O turn");
                        check();
                    }
                }
                else{
                    if(buttons[i].getText().equals("")){
                        buttons[i].setForeground(new Color(2,2,233));
                        buttons[i].setText("O");
                        player1_turn = true;
                        textfield.setText("X turn");
                        check();
                    }
                }
            }
        }
    }

    public void firstTurn(){
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e){
            e.printStackTrace();
        }

        if(random.nextInt(2)==0){
            player1_turn = true;
            textfield.setText("X turn");
        }else{
            player1_turn = false;
            textfield.setText("O turn");
        }
    }

    public void check(){
        // Implement the logic to check for a win

        // x---> win
        if(
                (buttons[0].getText().equals("X")) &&
                        (buttons[1].getText().equals("X")) &&
                        (buttons[2].getText().equals("X"))
        ){
            xWins(0,1,2);
        }
        if(
                (buttons[3].getText().equals("X")) &&
                        (buttons[4].getText().equals("X")) &&
                        (buttons[5].getText().equals("X"))
        ){
            xWins(3,4,5);
        }
        if(
                (buttons[6].getText().equals("X")) &&
                        (buttons[7].getText().equals("X")) &&
                        (buttons[8].getText().equals("X"))
        ){
            xWins(6,7,8);
        }
        if(
                (buttons[0].getText().equals("X")) &&
                        (buttons[3].getText().equals("X")) &&
                        (buttons[6].getText().equals("X"))
        ){
            xWins(0,3,6);
        }
        if(
                (buttons[1].getText().equals("X")) &&
                        (buttons[4].getText().equals("X")) &&
                        (buttons[7].getText().equals("X"))
        ){
            xWins(1,4,7);
        }
        if(
                (buttons[2].getText().equals("X")) &&
                        (buttons[5].getText().equals("X")) &&
                        (buttons[8].getText().equals("X"))
        ){
            xWins(2,5,8);
        }
        if(
                (buttons[0].getText().equals("X")) &&
                        (buttons[4].getText().equals("X")) &&
                        (buttons[8].getText().equals("X"))
        ){
            xWins(0,4,8);
        }
        if(
                (buttons[2].getText().equals("X")) &&
                        (buttons[4].getText().equals("X")) &&
                        (buttons[6].getText().equals("X"))
        ){
            xWins(2,4,6);
        }

        // o-- Win


        if(
                (buttons[0].getText().equals("O")) &&
                        (buttons[1].getText().equals("O")) &&
                        (buttons[2].getText().equals("O"))
        ){
            oWins(0,1,2);
        }
        if(
                (buttons[3].getText().equals("O")) &&
                        (buttons[4].getText().equals("O")) &&
                        (buttons[5].getText().equals("O"))
        ){
            oWins(3,4,5);
        }
        if(
                (buttons[6].getText().equals("O")) &&
                        (buttons[7].getText().equals("O")) &&
                        (buttons[8].getText().equals("O"))
        ){
           oWins(6,7,8);
        }
        if(
                (buttons[0].getText().equals("O")) &&
                        (buttons[3].getText().equals("O")) &&
                        (buttons[6].getText().equals("O"))
        ){
            oWins(0,3,6);
        }
        if(
                (buttons[1].getText().equals("O")) &&
                        (buttons[4].getText().equals("O")) &&
                        (buttons[7].getText().equals("O"))
        ){
           oWins(1,4,7);
        }
        if(
                (buttons[2].getText().equals("O")) &&
                        (buttons[5].getText().equals("O")) &&
                        (buttons[8].getText().equals("O"))
        ){
            oWins(2,5,8);
        }
        if(
                (buttons[0].getText().equals("O")) &&
                        (buttons[4].getText().equals("O")) &&
                        (buttons[8].getText().equals("O"))
        ){
            oWins(0,4,8);
        }
        if(
                (buttons[2].getText().equals("O")) &&
                        (buttons[4].getText().equals("O")) &&
                        (buttons[6].getText().equals("O"))
        ){
            oWins(2,4,6);
        }

    }

    public void xWins(int a, int b, int c){
        // Implement the logic when X wins

        buttons[a].setBackground(Color.ORANGE);
        buttons[b].setBackground(Color.ORANGE);
        buttons[c].setBackground(Color.ORANGE);

        for (int i = 0; i <9 ; i++) {
            buttons[i].setEnabled(false);
        }
        textfield.setText("X wins");
    }

    public void oWins(int a, int b, int c){
        // Implement the logic when O wins

        buttons[a].setBackground(Color.ORANGE);
        buttons[b].setBackground(Color.ORANGE);
        buttons[c].setBackground(Color.ORANGE);

        for (int i = 0; i <9 ; i++) {
            buttons[i].setEnabled(false);
        }
        textfield.setText("O wins");
    }

    public static void main(String[] args){
        new Tic_Tac_Toe();
    }
}