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

public class MainFrame extends JFrame {

    /**
     * @param args
     */
    public static void main(String[] args) {
        new MainFrame();
    }

    public MainFrame() {
        super("hello");
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        JPanel viewport = new JPanel();
	viewport.setLayout(new BorderLayout());
        viewport.add(new JButton("Filler"), BorderLayout.CENTER);
        add(viewport, BorderLayout.CENTER);

        JPanel itemsContainer = new JPanel();
        itemsContainer.setPreferredSize(new Dimension(200, 100));
        itemsContainer.add(new JButton("TOP"), BorderLayout.PAGE_START);;
        itemsContainer.add(new JButton("BTM"), BorderLayout.PAGE_END);;
        add(itemsContainer, BorderLayout.LINE_END);

        pack();
        setVisible(true);
    }
}