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

public class Question {
    public static void main(String[] args) {
        JFrame fenetre = new JFrame();
        fenetre.setSize(500,300);
        fenetre.setMinimumSize(new Dimension(300, 200));
        GridLayout gestionnaire = new GridLayout(3,3);
        fenetre.setLayout(gestionnaire);
        JPanel panneau = new JPanel();
        JButton bouton = new JButton("Oui");
        panneau.add(bouton);
        JButton bouton2 = new JButton("Non");
        panneau.add(bouton2);
        JButton bouton3 = new JButton("NSPP");
        panneau.add(bouton3);
        fenetre.add(panneau);
        fenetre.setVisible(true);
    }
}