import?java.awt.EventQueue;
import?java.awt.event.*;
import?java.io.*;
import?javax.swing.*;

/**
?*?A?program?for?viewing?images.
?*?@version?1.22?2007-05-21
?*?@author?Cay?Horstmann
?*/
public?class?ImageViewer
{
???public?static?void?main（String[]?args）
???{
??????EventQueue.invokeLater（new?Runnable（）
?????????{
????????????public?void?run（）
????????????{
???????????????Jframe?frame?=?new?ImageViewerframe（）;
???????????????frame.setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
???????????????frame.setVisible（true）;
????????????}
?????????}）;
???}
}

/**
?*?A?frame?with?a?label?to?show?an?image.
?*/
class?ImageViewerframe?extends?Jframe
{
???public?ImageViewerframe（）
???{
??????settitle（“ImageViewer“）;
??????setSize（DEFAULT_WIDTH?DEFAULT_HEIGHT）;

??????//?use?a?label?to?display?the?images
??????label?=?new?JLabel（）;
??????add（label）;

??????//?set?up?the?file?chooser
??????chooser?=?new?JFileChooser（）;
??????chooser.setCurrentDirectory（new?File（“.“））;

??????//?set?up?the?menu?bar
??????JMenuBar?menuBar?=?new?JMenuBar（）;
??????setJMenuBar（menuBar）;

??????JMenu?menu?=?new?JMenu（“File“）;
??????menuBar.add（menu）;

??????JMenuItem?openItem?=?new?JMenuItem（“Open“）;
??????menu.add（openItem）;
??????openItem.addActionListener（new?ActionListener（）
?????????{
????????????public?void?actionPerformed（ActionEvent?event）
????????????{
???????????????//?show?file?chooser?dialog
???????????????int?result?=?chooser.showOpenDialog（null）;

???????????????//?if?file?selected?set?it?as?icon?of?the?label
???????????????if?（result?==?JFileChooser.APPROVE_OPTION）
???????????????{
??????????????????String?name?=?chooser.getSelectedFile（）.getPath（）;
??????????????????label.setIcon（new?ImageIcon（name））;
???????????????}
????????????}
?????????}）;

??????JMenuItem?exitItem?=?new?JMenuItem（“Exit“）;
??????menu.add（exitItem）;
??????exitItem.addActionListener（new?ActionListener（）
?????????{
????????????public?void?actionPerformed（ActionEvent?event）
????????????{
???????????????System.exit（0）;
????????????}
?????????}）;
???}

???private?JLabel?label;
???private?JFileChooser?chooser;
???private?static?final?int?DEFAULT_WIDTH?=?300;
???private?static?final?int?DEFAULT_HEIGHT?=?400;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????163184??2007-04-07?09:35??corejava8\corejava8\gutenberg\alice30.txt

?????文件????2689721??2007-04-07?09:35??corejava8\corejava8\gutenberg\crsto10.txt

?????文件??????45724??2000-10-04?14:08??corejava8\corejava8\v1ch02\ImageViewer\Cay.gif

?????文件???????2278??2008-02-26?21:15??corejava8\corejava8\v1ch02\ImageViewer\ImageViewer.java

?????文件??????21997??2002-06-19?12:09??corejava8\corejava8\v1ch02\ImageViewer\mug.png

?????文件??????20132??2000-10-04?14:08??corejava8\corejava8\v1ch02\ImageViewer\Tower.gif

?????文件????????440??2007-04-08?11:09??corejava8\corejava8\v1ch02\Welcome\Welcome.java

?????文件????????141??2007-06-13?07:36??corejava8\corejava8\v1ch02\Welcomeapplet\java.policy.applet

?????文件????????582??2004-09-06?14:57??corejava8\corejava8\v1ch02\Welcomeapplet\Welcomeapplet.html

?????文件???????1647??2007-06-13?07:38??corejava8\corejava8\v1ch02\Welcomeapplet\Welcomeapplet.java

?????文件????????941??2007-04-08?11:11??corejava8\corejava8\v1ch03\BigIntegerTest\BigIntegerTest.java

?????文件???????1624??2007-04-08?11:11??corejava8\corejava8\v1ch03\CompoundInterest\CompoundInterest.java

?????文件????????273??2007-04-08?11:20??corejava8\corejava8\v1ch03\FirstSample\FirstSample.java

?????文件????????603??2007-04-08?11:13??corejava8\corejava8\v1ch03\InputTest\InputTest.java

?????文件???????1026??2007-04-08?11:06??corejava8\corejava8\v1ch03\LotteryArray\LotteryArray.java

?????文件???????1305??2007-04-08?11:20??corejava8\corejava8\v1ch03\LotteryDrawing\LotteryDrawing.java

?????文件????????779??2007-04-08?11:07??corejava8\corejava8\v1ch03\LotteryOdds\LotteryOdds.java

?????文件???????1038??2007-04-08?11:14??corejava8\corejava8\v1ch03\Retirement\Retirement.java

?????文件???????1146??2007-04-08?11:15??corejava8\corejava8\v1ch03\Retirement2\Retirement2.java

?????文件???????2119??2007-04-07?21:28??corejava8\corejava8\v1ch04\CalendarTest\CalendarTest.java

?????文件???????1785??2007-04-08?11:20??corejava8\corejava8\v1ch04\ConstructorTest\ConstructorTest.java

?????文件???????1564??2007-04-08?11:16??corejava8\corejava8\v1ch04\EmployeeTest\EmployeeTest.java

?????文件????????954??2007-04-08?11:20??corejava8\corejava8\v1ch04\PackageTest\com\horstmann\corejava\Employee.java

?????文件????????717??2007-04-08?11:18??corejava8\corejava8\v1ch04\PackageTest\PackageTest.java

?????文件???????2355??2007-04-08?11:19??corejava8\corejava8\v1ch04\ParamTest\ParamTest.java

?????文件???????1609??2007-04-08?11:20??corejava8\corejava8\v1ch04\StaticTest\StaticTest.java

?????文件???????2388??2007-04-09?16:54??corejava8\corejava8\v1ch05\ArrayGrowTest\ArrayGrowTest.java

?????文件???????1549??2007-04-09?11:12??corejava8\corejava8\v1ch05\ArrayListTest\ArrayListTest.java

?????文件????????894??2007-04-09?16:19??corejava8\corejava8\v1ch05\EnumTest\EnumTest.java

?????文件???????3902??2007-04-09?11:12??corejava8\corejava8\v1ch05\EqualsTest\EqualsTest.java

............此處省略787個文件信息