example17_18.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 Example17_18 extends Applet
{  public void paint(Graphics g)
   {  Graphics2D g_2d=(Graphics2D)g; 
      Ellipse2D ellipse=
      new Ellipse2D. Double (20,50,120,50);
      g_2d.setColor(Color.blue);
      
      AffineTransform trans=new  AffineTransform(); 
      for(int i=1;i<=24;i++)
        {  trans.rotate(15.0*Math.PI/180,80,75);
           g_2d.setTransform(trans);
           //现在画的就是旋转后的椭圆样子：
           g_2d.draw(ellipse); 
        }
   }
}