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

public class exo3 {
  public static void main(String[] args) {
    JFrame fenetre = new JFrame("Exo3");
    fenetre.setSize(200, 200);
    fenetre.setLocation(0, 0);
    fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    FlowLayout flow = new FlowLayout(FlowLayout.CENTER);
    fenetre.setLayout(flow);
    JLabel panel = new JLabel("Aimez-vous les chiens ?");
    panel.setPreferredSize(new Dimension(486, 20));
    panel.setHorizontalAlignment(JLabel.CENTER);
    JButton yes = new JButton("Oui");
    JButton no = new JButton("Non");
    JButton maybe = new JButton("NSPP");
    fenetre.add(panel);
    fenetre.add(yes);
    fenetre.add(no);
    fenetre.add(maybe);
    fenetre.setVisible(true);
  }
}