PETITE INTERFACE SWING. 3 JTEXTFIELD 2 JBUTTON

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

public class TheBoxLayout
{
	public static void main(String[] args)
	{
		SwingUtilities.invokeLater(new
				Runnable()
				{
					public void run()
					{
						JFrame.setDefaultLookAndFeelDecorated(true);
						LayoutFrame frame = new LayoutFrame();
						frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
						frame.pack();
						frame.setVisible(true);
					}
				});
	}
}

class LayoutFrame extends JFrame
{
	public LayoutFrame()
	{
		setTitle("Test de BoxLayout");

		createMainPanel();
		createTextFieldPanel();	
		createButtonPanel();
		
		mainPanel.add(txtPanel);
		mainPanel.add(buttonPanel);
		
		getContentPane().add(mainPanel);
		
	}
	
	/** Crée un panneau de champs */
	private void createTextFieldPanel()
	{
		txtPanel = new JPanel();
		txtPanel.setLayout(new BoxLayout(txtPanel, BoxLayout.PAGE_AXIS));
		createTextField(txtFirstName);
		createTextField(txtLastName);
		createTextField(txtTelNumber);
		txtPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
		
	}
	
	/** 
	 * Crée un nouveau champs de texte
	 * @param txtF Le bouton à créer
	 */
	private void createTextField(JTextField txtF)
	{
		txtF = new JTextField(10);
		txtPanel.add(txtF);
		txtPanel.add(Box.createRigidArea(new Dimension(0,10)));
	}
	
	/** Crée un panneau de boutons */
	private void createButtonPanel()
	{
		buttonPanel = new JPanel();
		buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.LINE_AXIS));
		createButton(btnOk, "Ok");
		createButton(btnCancel, "Cancel");		
	}
	
	/**
	 * Crée un bouton et l'ajoute au panneau de bouton
	 * @param button Le bouton a créer
	 * @param name Nom du bouton 
	 */
	private void createButton(JButton button, String name)
	{
		button = new JButton(name);
		button.setAlignmentX(JButton.RIGHT_ALIGNMENT);
		buttonPanel.add(button);
	}
	
	private void createMainPanel()
	{
		mainPanel = new JPanel();
		mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.PAGE_AXIS));
	}
	
	JPanel mainPanel;
	JPanel txtPanel;
	JPanel buttonPanel;
	JTextField txtFirstName;
	JTextField txtLastName;
	JTextField txtTelNumber;
	JButton btnOk;
	JButton btnCancel;
}