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

public class Tester
{
	public static void main(String[] args)
	{
		JButton dayButton = new JButton("Day");
		JButton weekButton = new JButton("Week");
		JButton monthButton = new JButton("Month");
		JButton leftButton = new JButton("<<");
		JButton rightButton = new JButton(">>");

		JPanel topButtonPanel = new JPanel();
		topButtonPanel.add(dayButton);
		topButtonPanel.add(weekButton);
		topButtonPanel.add(monthButton);

		JPanel bottomButtonPanel = new JPanel();
		bottomButtonPanel.add(leftButton);
		bottomButtonPanel.add(rightButton);

		JPanel buttonPanel = new JPanel();
		buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.Y_AXIS));
		buttonPanel.add(topButtonPanel);
		buttonPanel.add(bottomButtonPanel);

		JFrame frame = new JFrame();

		frame.add(buttonPanel);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(FRAME_WIDTH, FRAME_HEIGHT);
		frame.setVisible(true);
	}
	private static final int FRAME_WIDTH = 1000;
	private static final int FRAME_HEIGHT = 1000;
}