public void paint(Graphics g) {
Graphics2D g_2d = (Graphics2D) g;
Ellipse2D ellipse = new Ellipse2D.Double(0, 2, 80, 80);
Rectangle2D rect = new Rectangle2D.Double(40, 2, 80, 80);
Area a1 = new Area(ellipse);
Area a2 = new Area(rect);
a1.intersect(a2); // "Óë"
g_2d.fill(a1);
ellipse.setFrame(130, 2, 80, 80);
rect.setFrame(170, 2, 80, 80);
a1 = new Area(ellipse);
a2 = new Area(rect);
a1.add(a2); // "»ò"
g_2d.draw(a1);
ellipse.setFrame(0, 90, 80, 80);
rect.setFrame(40, 90, 80, 80);
a1 = new Area(ellipse);
a2 = new Area(rect);
a1.subtract(a2); // "²î"
g_2d.draw(a1);
ellipse.setFrame(130, 90, 80, 80);
rect.setFrame(170, 90, 80, 80);
a1 = new Area(ellipse);
a2 = new Area(rect);
a1.exclusiveOr(a2); // "Òì»ò"
g_2d.fill(a1);
}
