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

public class DeclinaisonsMain {
	public static void main(String[] args) {
		JFrame fenetre = new JFrame();
		fenetre.setSize(300, 300);
		fenetre.setLocation(100, 100);
		fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		fenetre.setLayout(new GridLayout(2, 2));
		JPanel[] panneaux = {new JPanel(), new JPanel(), new JPanel(), new JPanel()};
		Color[] couleursTriangles = {Color.MAGENTA, Color.YELLOW, Color.CYAN, Color.BLUE};
		Color[] couleursFonds = {Color.CYAN, Color.PINK, Color.MAGENTA, Color.YELLOW};
		for (int i = 0; i != 4; i++) {
			panneaux[i].setBackground(couleursFonds[i]);
			panneaux[i].setLayout(new BorderLayout());
			panneaux[i].add(new Declinaisons(couleursTriangles[i]), BorderLayout.CENTER);
			fenetre.add(panneaux[i]);
		}
		fenetre.setVisible(true);
	}
}