package?com.zzk;
import?java.awt.Graphics;
import?javax.swing.Jframe;
import?javax.swing.JPanel;
public?class?DrawSectorframe?extends?Jframe?{
????DrawSectorPanel?sectorPanel?=?new?DrawSectorPanel（）;?//?創建面板類的實例
????public?static?void?main（String?args[]）?{?//?主方法
????????DrawSectorframe?frame?=?new?DrawSectorframe（）;?//?創建窗體類的實例
????????frame.setVisible（true）;?//?顯示窗體
????}
????public?DrawSectorframe（）?{
????????super（）;?//?調用超類的構造方法
????????settitle（“繪制填充扇形“）;?//?窗體標題
????????setBounds（100?100?278?184）;?//?窗體的顯示位置和大小
????????setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;?//?窗體關閉方式
????????add（sectorPanel）;?//?將面板類的實例添加到窗體容器中
????}
????class?DrawSectorPanel?extends?JPanel?{?//?創建內部面板類
????????public?void?paint（Graphics?g）?{?//?重寫paint（）方法
????????????g.fillArc（40?20?80?80?0?150）;????//?繪制填充扇形
????????????g.fillArc（140?20?80?80?180?-150）;//?繪制填充扇形
????????????g.fillArc（40?40?80?80?0?-110）;???//?繪制填充扇形
????????????g.fillArc（140?40?80?80?180?1

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-07-27?13:20??.classpath
?????文件?????????379??2010-12-31?13:27??.project
?????文件?????????629??2010-07-27?13:20??.settings\org.eclipse.jdt.core.prefs
?????文件?????????754??2011-01-25?14:29??bin\com\zzk\DrawSectorframe$DrawSectorPanel.class
?????文件?????????967??2011-01-25?14:29??bin\com\zzk\DrawSectorframe.class
?????文件????????1145??2010-07-29?14:16??src\com\zzk\DrawSectorframe.java