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

public class TestGridLayout extends JFrame {

    public TestGridLayout(String [] nomsBoutons, int ncol) {
	super("GridLayout");
	Container c = getContentPane();
	c.setLayout(new GridLayout(0, ncol));
	for (int i = 0; i < nomsBoutons.length; i++) {
	    JButton b = new JButton(nomsBoutons[i]);
	    c.add(b);
	}

	addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }

    public static void main(String [] args) {
	String [] nomsBoutons =  {"Heureux", "qui", "comme", "Ulysse", "a", "fait", "un", "beau", "voyage", "ou", "comme", "cestui-la", "a", "conquis", "la", "toison", "..."};
	JFrame tgl = new TestGridLayout(nomsBoutons, 4);
        tgl.pack();
        tgl.setVisible(true);

    }
}