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

public class Fenster{

public Fenster(){
    startFrame();
}

public void startFrame(){

    /*Generate Frame*/
    JFrame frame = new JFrame("Tic Tac Toe");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(500,500);
    frame.setVisible(true);

    /*Generate Headline and add to frame*/
    JLabel headline = new JLabel("Tic Tac Toe");
    frame.add(BorderLayout.NORTH, headline);

    /*Generate Panel for Buttons*/
    JPanel panel = new JPanel(new GridLayout(0,3));

    /*Generate Buttons*/
    JButton b1 = new JButton("");
    JButton b2 = new JButton("");
    JButton b3 = new JButton("");
    JButton b4 = new JButton("");
    JButton b5 = new JButton("");
    JButton b6 = new JButton("");
    JButton b7 = new JButton("");
    JButton b8 = new JButton("");
    JButton b9 = new JButton("");

    /*Add Buttons to Panel*/
    panel.add(b1);
    panel.add(b2);
    panel.add(b3);
    panel.add(b4);
    panel.add(b5);
    panel.add(b6);
    panel.add(b7);
    panel.add(b8);
    panel.add(b9);

    /*Add Panel to Frame*/
    frame.add(BorderLayout.CENTER, panel);


}


}