import javax.swing.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.awt.BorderLayout;
import java.awt.RenderingHints;

class Test 
{
    public static void main(final String[] args) {
	JPanel panel = new JPanel() {
		public void paintComponent(Graphics g) {
		    Graphics2D g2 = (Graphics2D)g;
		    GeneralPath path = new GeneralPath();

  		    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 
  					RenderingHints.VALUE_ANTIALIAS_ON);

		    path.moveTo(480, 200);
		    path.quadTo(480, 220, 470, 224);
		    path.lineTo(230, 224);
		    path.quadTo(225, 224, 217, 216.1f);
		    path.lineTo(140, 130);

		    g2.draw(path);
		}
	    };
	panel.setOpaque(false);
	panel.setSize(500, 500);

	JFrame test = new JFrame("Test");
	test.getContentPane().add(panel, BorderLayout.CENTER);
	test.pack();
	test.setSize(500,500);
	test.show();
    }
}