arccanvas.java

j2me的程序

import javax.microedition.lcdui.*;

class ArcCanvas extends Canvas {
  int width = 0;
  int height = 0;

  public void paint(Graphics g){
	  width = getWidth();
	  height = getHeight();

	  g.setGrayScale(255);
	  g.fillRect(0,0,width-1,height-1);
	  g.setGrayScale(0);
      g.drawRect(0,0,width-1,height-1);

      g.drawArc(0,10,20,20,0,360);
      g.drawArc(40,10,20,20,0,110);
      g.drawArc(0,40,20,20,0,-270);
      g.fillArc(40,40,40,20,0,360);
      g.fillArc(0,70,40,20,270,-90);
      g.fillArc(40,70,40,20,0,-270);

  }

}