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

public class Choix {
	public static void main(String[] args) {
			// un objet pour servir de fenetre
	    JFrame fenetre = new JFrame();
	    // on configure la fenetre
	    fenetre.setSize(500, 300);
	    fenetre.setLocation(0, 0);
	    fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	    JRadioButton radio1 = new JRadioButton("Gryffondor");
	    JRadioButton radio2 = new JRadioButton("Serdaigle");
	    JRadioButton radio3 = new JRadioButton("Serpentard");

	    radio1.setHorizontalAlignment(JRadioButton.CENTER);
	    radio2.setHorizontalAlignment(JRadioButton.CENTER);
	    radio3.setHorizontalAlignment(JRadioButton.CENTER);

	    fenetre.add(radio1, BorderLayout.NORTH);
	    fenetre.add(radio2, BorderLayout.CENTER);
	    fenetre.add(radio3, BorderLayout.SOUTH);

	    fenetre.setVisible(true);
	}
}