[JAVA] Problème jFileChooser

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JTextArea;

public class Test 
{	
	public static void main(String...args)
	{
		final JFrame frame = new JFrame();		
		final JButton button = new JButton("Click");		
		final JFileChooser chooser = new JFileChooser();
		final JTextArea text = new JTextArea();
		
		button.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{	            
				if (chooser.showOpenDialog(frame) == JFileChooser.APPROVE_OPTION)
				{
		            text.setText(chooser.getSelectedFile().getAbsolutePath());
		            System.out.println("Selection OK");
		        }
		        else 
		        {
		        	text.setText("");
		            System.out.println("Selection KO");
		        }
			}			
		});
		
		frame.setLayout(new GridLayout(2,1));
		frame.add(button);
		frame.add(text);
		frame.pack();
		frame.setVisible(true);		
	}
}