package?com.zzk;

import?java.applet.applet;
import?java.awt.Graphics;
import?java.awt.Graphics2D;
import?java.awt.geom.Area;
import?java.awt.geom.Ellipse2D;
import?java.awt.geom.Rectangle2D;

public?class?SubtractOperationapplet?extends?applet?{
????public?void?paint（Graphics?g）?{
????????Graphics2D?g2d?=?（Graphics2D）?g;//?強制轉換為Graphics2D對象
????????Rectangle2D.Float?rect1?=?new?Rectangle2D.Float（80?20?160?160）;//?創建矩形對象
????????Ellipse2D.Float?ellipse1?=?new?Ellipse2D.Float（130?80?140?140）;//?創建橢圓對象
????????Area?area1?=?new?Area（rect1）;//?創建區域矩形
????????Area?area2?=?new?Area（ellipse1）;//?創建區域橢圓
????????area1.subtract（area2）;//?兩個區域圖形相減
????????g2d.fill（area1）;//?繪制相減后的區域圖形
????????Rectangle2D.Float?rect2?=?new?Rectangle2D.Float（240?-35?120?120）;//?創建矩形對象
????????Ellipse2D.Float?ellipse2?=?new?Ellipse2D.Float（290?20?160?160）;//?創建橢圓對象
????????Area?area3?=?new?Area（rect2）;//?創建矩形區域
????????Area?area4?=?new?Area（ellipse2）;//?創建橢圓對象的區域圖形
????????area4.sub

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-12-29?11:37??.classpath
?????文件?????????379??2010-12-29?11:37??.project
?????文件?????????629??2010-12-29?11:37??.settings\org.eclipse.jdt.core.prefs
?????文件?????????141??2010-12-29?11:37??bin\java.policy.applet
?????文件?????????114??2010-12-29?11:37??bin\SubtractOperationapplet.html
?????文件????????1308??2011-01-29?09:04??bin\com\zzk\SubtractOperationapplet.class
?????文件?????????114??2010-12-29?11:37??src\SubtractOperationapplet.html
?????文件????????1171??2010-12-29?13:01??src\com\zzk\SubtractOperationapplet.java