Draw a path in Java

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
//  w w w .ja va 2 s .c  om
import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    GeneralPath shape = new GeneralPath();
    shape.moveTo(1, 1);
    shape.lineTo(2, 2);
    shape.quadTo(300, 300, 400, 400);
    shape.curveTo(500, 5, 600, 600, 700, 7);
    shape.closePath();
    g2d.draw(shape);
  }
}

public class Main {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setBounds(30, 30, 450, 450);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}