import?java.awt.Color;
import?java.awt.Graphics;
import?java.awt.color.ColorSpace;
import?java.util.Timer;
import?java.util.TimerTask;

import?javax.swing.Jframe;
import?javax.swing.JPanel;
class?MyJPanel2?extends?JPanel{?
	private?Timer?timer=new?Timer（）;?
	Graphics?gg;
	public?MyJPanel2（int?i）?{
		debgfen=i;
		if（debgfen>40）{
			debgfen=40;
		}else?if（debgfen<=0）{
			debgfen=1;
		}
		geshu=debgfen*3;
		Col.sets（geshu）;
	}
	public?void?paintComponent（Graphics?g）{					//界面一旦刷新就會自動調用
		gg=g;
		timer.schedule（new?TimerTask（）{
				public?void?run（）?{?
				repaint（）;?
			}?
		}5）;				//刷新界面的間斷值（毫秒）
		huatu（gg）;
		g.setColor（new?Color（255?255?255））;?
		g.fillArc（x1+30?y2+30?ax-60?ay-600?360）;
	}
	private?int?geshu;				//控制debgfen能被360整除
	private?int?debgfen;				//控制一個圓被分為n等分
	private?int?huadu=0jinaodu;					//角度和弧度
	private?int?x1=200y2=100ax=300ay=300;		
	private?int?zhou=0zhoua=1chuan=0;				//控制循環
	private?void?huatu（Graphics?g）?{			//開始畫圖
		huadu=0;
		jinaodu=（（int）360/geshu）;
		for?（int?i?=?0;i<=geshu;?i++）?{
			ch