import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class guii {
    static class GUI extends JFrame {
        private static final long serialVersionUID = 1L;
        private JFrame frame;
        private JPanel panel;
        private JButton startbutton, cancelbutton;
        private GridBagConstraints c = new GridBagConstraints();

        public GUI() {
            createAndShowGui();
            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        }

        public void createAndShowGui() {
            frame = new JFrame("GUI");
            frame.setResizable(false);
            frame.setSize(300, 300);
            panel = new JPanel(new GridBagLayout());
            frame.add(panel);
            c.gridx = 5;
            c.gridy = 5;
            startbutton = new JButton("start");
            cancelbutton = new JButton("quit");
            panel.add(startbutton, c);
            panel.add(cancelbutton);
            startbutton.addActionListener(new ActionListener() {

                @Override
                public void actionPerformed(ActionEvent e) {
                    System.out.println("start");
                    dispose();
                }

            });
            cancelbutton.addActionListener(new ActionListener() {

                @Override
                public void actionPerformed(ActionEvent e) {
                    System.out.println("cancel");
                    dispose();

                }
            });
        }
    }

    public static void main(String[] args) {
        final GUI gui = new GUI();
    }
}