import java.awt.Graphics2D;
...
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

/**
   A car shape that can be positioned anywhere on the screen.
*/
 public class Car
 {
   /**
      Constructs a car with a given top left corner.
      @param x the x-coordinate of the top left corner
      @param y the y-coordinate of the top left corner
   */
   public Car(double x, double y, Color c)
   {
      xLeft = x;
      yTop = y;
      ...
   }

   /**
      Draws the car.
      @param g2 the graphics context
   */
   public void draw(Graphics2D g2)
   {
      Rectangle2D.Double body = new
      Rectangle2D.Double(xLeft, yTop + 10, 60, 10);
      Ellipse2D.Double frontTire = new
         Ellipse2D.Double(xLeft + 10,yTop + 20, 10, 10);
      Ellipse2D.Double rearTire = new
         Ellipse2D.Double(xLeft + 40, yTop + 20, 10, 10);

      //the bottom of the windshield
      Point2D.Double r1
         = new Point2D.Double(xLeft + 10, yTop + 10);
      //the front of the roof
      Point2D.Double r2
         = new Point2D.Double(xLeft + 20, yTop);
      //the rear of the roof
      Point2D.Double r3
         = new Point2D.Double(xLeft + 40, yTop);
      //the bottom of the rear window
      Point2D.Double r4
         = new Point2D.Double(xLeft + 50, yTop + 10);

      Line2D.Double frontWindshield
         = new Line2D.Double(r1, r2);
      Line2D.Double roofTop
         = new Line2D.Double(r2, r3);
      Line2D.Double rearWindow
         = new Line2D.Double(r3, r4);

      g2....;
      g2.draw(body);
      g2.draw(frontTire);
      g2.draw(rearTire);
      g2.draw(frontWindshield);
      g2.draw(roofTop);
      g2.draw(rearWindow);
   }

 private double xLeft;
 private double yTop;
 private Color color;

}