// Fig. 12.32: Shapes2.java
// Demonstrating a general path.
import java.awt.Color;
import javax.swing.JFrame;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.util.Random;
import javax.swing.JPanel;

public class Shapes2
{
   // execute application
   public static void main( String[] args )
   {
      // create frame for Shapes2JPanel
      JFrame frame = new JFrame( "Drawing 2D Shapes" );
      frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

      Shapes2JPanel shapes2JPanel = new Shapes2JPanel(); 
      frame.add( shapes2JPanel ); // add shapes2JPanel to frame
      frame.setBackground( Color.WHITE ); // set frame background color
      frame.setSize( 315, 330 ); // set frame size
      frame.setVisible( true ); // display frame
   } // end main
} // end class Shapes2

class Shapes2JPanel extends JPanel 
{
   // draw general paths
   public void paintComponent( Graphics g )
   {
      super.paintComponent( g ); // call superclass's paintComponent
      Random random = new Random(); // get random number generator

      int[] xPoints = { 55, 67, 109, 73, 83, 55, 27, 37, 1, 43 };
      int[] yPoints = { 0, 36, 36, 54, 96, 72, 96, 54, 36, 36 };

      Graphics2D g2d = ( Graphics2D ) g;
      GeneralPath star = new GeneralPath(); // create GeneralPath object

      // set the initial coordinate of the General Path
      star.moveTo( xPoints[ 0 ], yPoints[ 0 ] );

      // create the star--this does not draw the star
      for ( int count = 1; count < xPoints.length; count++ )
         star.lineTo( xPoints[ count ], yPoints[ count ] );

      star.closePath(); // close the shape

      g2d.translate( 150, 150 ); // translate the origin to (150, 150)

      // rotate around origin and draw stars in random colors
      for ( int count = 1; count <= 20; count++ ) 
      {
         g2d.rotate( Math.PI / 10.0 ); // rotate coordinate system

         // set random drawing color
         g2d.setColor( new Color( random.nextInt( 256 ),
            random.nextInt( 256 ), random.nextInt( 256 ) ) );

         g2d.fill( star ); // draw filled star
      } // end for
   } // end method paintComponent
} // end class Shapes2JPanel

Results