import javax.swing.*; import java.awt.*; public class sautoir { @Override protected void paintComponent(Graphics g) { Graphics pinceau = g.create(); if(isOpaque()) { pinceau.setColor(getBackground()); pinceau.fillRect(0, 0, getWidth(), getHeight()); } pinceau.setColor(Color.CYAN); int[] triangleXPoints = {0, getWidth()/2, getWidth()}; int[] topTriangleXPoints = {0, getHeight()/2, 0}; pinceau.fillPolygon(triangleXPoints, topTriangleXPoints, 3); int[] bottomTriangleXPoints = {getHeight(), getHeight()/2, getHeight()}; pinceau.fillPolygon(triangleXPoints, bottomTriangleXPoints, 3); } }