example14_4.java

不错的教程 适合中高级人员的使用

import java.awt.*;import java.applet.*;
import java.awt.geom.*; 
public class Example14_4 extends Applet
{  public void paint(Graphics g)
   {  g.setColor(Color.blue) ;
      Graphics2D g_2d=(Graphics2D)g;
      Ellipse2D ellipse=
      new Ellipse2D. Double (20,30,100,50); 
	  Line2D line=
      new Line2D. Double (70,30,70,10);
      g_2d.draw(line);
	  g.setColor(Color.red) ;
      for(int i=1,k=0;i<=6;i++)
        {  ellipse.setFrame(20+k,30,100-2*k,50);
           if (i<=5)
            g_2d.draw(ellipse);
		   else 
			g_2d.fill(ellipse); 
		   k=k+5;
        } 
   }
}