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

public class MyFrame extends JFrame {
	public MyFrame() {
		// init frame
		setSize(400, 300);
		setTitle("MyFrame");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setLayout(new BorderLayout());

		// craete components
		JPanel panel = new JPanel();
		panel.setLayout(new FlowLayout(FlowLayout.CENTER));
		JButton button1 = new JButton("left");
		JButton button2 = new JButton("right");

		// set layout
		panel.add(button1);
		panel.add(button2);
		add(panel, BorderLayout.PAGE_START);

		// MyPanel object
		MyPanel mp = new MyPanel(new FlowLayout(FlowLayout.CENTER));
		add(mp, BorderLayout.CENTER);

		// done
		setVisible(true);
	}
}