package?com.zzk;

import?java.awt.Graphics;
import?javax.swing.Jframe;
import?javax.swing.JPanel;

public?class?DrawEllipseframe?extends?Jframe?{
????DrawEllipsePanel?ellipsePanel?=?new?DrawEllipsePanel（）;?//?創建面板類的實例
????
????public?static?void?main（String?args[]）?{?//?主方法
????????DrawEllipseframe?frame?=?new?DrawEllipseframe（）;?//?創建窗體類的實例
????????frame.setVisible（true）;?//?顯示窗體
????}
????
????public?DrawEllipseframe（）?{
????????super（）;?//?調用超類的構造方法
????????settitle（“繪制橢圓“）;?//?窗體標題
????????setBounds（100?100?269?222）;?//?窗體的顯示位置和大小
????????setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;?//?窗體關閉方式
????????add（ellipsePanel）;?//?將面板類的實例添加到窗體容器中
????}
????
????class?DrawEllipsePanel?extends?JPanel?{?//?創建內部面板類
????????public?void?paint（Graphics?g）?{?????//?重寫paint（）方法
????????????g.drawOval（30?20?80?50）;?????//?繪制空心橢圓
????????????g.drawOval（150?10?50?80）;????//?繪制空心橢圓
????????????g.fillOval（40?90?50?80）;?????//?繪制實心橢圓
????????????g.fillOval（140?11

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-07-27?11:46??.classpath
?????文件?????????379??2010-12-31?13:27??.project
?????文件?????????629??2010-07-27?11:46??.settings\org.eclipse.jdt.core.prefs
?????文件?????????765??2011-01-25?14:29??bin\com\zzk\DrawEllipseframe$DrawEllipsePanel.class
?????文件?????????971??2011-01-25?14:29??bin\com\zzk\DrawEllipseframe.class
?????文件????????1152??2010-07-29?14:17??src\com\zzk\DrawEllipseframe.java