求一个简单的java屏保小程序,要求代码简单,易理解,要独创的,没有的,或...答:protected void paint(Graphics g) { // TODO Auto-generated method stub g.setColor(255,0,0);g.fillRect(0, 0, this.getWidth(), this.getHeight());g.setColor(0,0, 255);g.fillArc(x,y,d,d,0,360);this.repaint();}//画一个圆当做屏保图案坐标是x,y 大小是d public void ...