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

/**
?*?A?program?for?viewing?images.
?*?@version?1.30?2014-02-27
?*?@author?Cay?Horstmann
?*/
public?class?ImageViewer
{
???public?static?void?main（String[]?args）
???{
??????EventQueue.invokeLater（（）?->?{
?????????Jframe?frame?=?new?ImageViewerframe（）;
?????????frame.settitle（“ImageViewer“）;
?????????frame.setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
?????????frame.setVisible（true）;
??????}）;
???}
}

/**
?*?A?frame?with?a?label?to?show?an?image.
?*/
class?ImageViewerframe?extends?Jframe
{
???private?JLabel?label;
???private?JFileChooser?chooser;
???private?static?final?int?DEFAULT_WIDTH?=?300;
???private?static?final?int?DEFAULT_HEIGHT?=?400;

???public?ImageViewerframe（）
???{
??????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（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（event?->?System.exit（0））;
???}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????163184??2016-11-04?00:08??corejava\gutenberg\alice30.txt

?????文件????2689721??2016-11-04?00:08??corejava\gutenberg\crsto10.txt

?????文件??????77418??2016-11-04?00:08??corejava\v1ch02\ImageViewer\cay.jpg

?????文件???????2720??2016-11-04?00:08??corejava\v1ch02\ImageViewer\duke.gif

?????文件???????1111??2017-09-24?15:46??corejava\v1ch02\ImageViewer\ImageViewer.class

?????文件???????1799??2016-11-04?00:08??corejava\v1ch02\ImageViewer\ImageViewer.java

?????文件???????2320??2017-09-24?15:46??corejava\v1ch02\ImageViewer\ImageViewerframe.class

?????文件??????21997??2016-11-04?00:08??corejava\v1ch02\ImageViewer\mug.png

?????文件?????????79??2016-11-04?00:08??corejava\v1ch02\Roadapplet\makejar

?????文件???????1439??2017-09-24?15:49??corejava\v1ch02\Roadapplet\Road.class

?????文件???????2131??2017-09-24?15:49??corejava\v1ch02\Roadapplet\Roadapplet.class

?????文件???????3397??2016-11-04?00:08??corejava\v1ch02\Roadapplet\Roadapplet.html

?????文件???????3767??2016-11-04?00:08??corejava\v1ch02\Roadapplet\Roadapplet.jar

?????文件???????1235??2016-11-04?00:08??corejava\v1ch02\Roadapplet\Roadapplet.java

?????文件?????????43??2016-11-04?00:08??corejava\v1ch02\Roadapplet\Roadapplet.mf

?????文件???????1508??2017-09-24?15:49??corejava\v1ch02\Roadapplet\RoadComponent.class

?????文件???????3034??2016-11-04?00:08??corejava\v1ch02\Roadapplet\RoadComponent.java

?????文件????????385??2016-11-04?00:08??corejava\v1ch02\Welcome\Welcome.java

?????文件????????908??2016-11-04?00:08??corejava\v1ch03\BigIntegerTest\BigIntegerTest.java

?????文件???????1567??2016-11-04?00:08??corejava\v1ch03\CompoundInterest\CompoundInterest.java

?????文件????????261??2016-11-04?00:08??corejava\v1ch03\FirstSample\FirstSample.java

?????文件????????578??2016-11-04?00:08??corejava\v1ch03\InputTest\InputTest.java

?????文件????????950??2017-09-26?16:55??corejava\v1ch03\LotteryArray\LotteryArray.class

?????文件????????987??2016-11-04?00:08??corejava\v1ch03\LotteryArray\LotteryArray.java

?????文件???????1259??2016-11-04?00:08??corejava\v1ch03\LotteryDrawing\LotteryDrawing.java

?????文件????????749??2016-11-04?00:08??corejava\v1ch03\LotteryOdds\LotteryOdds.java

?????文件????????999??2016-11-04?00:08??corejava\v1ch03\Retirement\Retirement.java

?????文件???????1102??2016-11-04?00:08??corejava\v1ch03\Retirement2\Retirement2.java

?????文件???????1015??2016-11-04?00:08??corejava\v1ch04\CalendarTest\CalendarTest.java

?????文件???????1087??2017-09-28?17:38??corejava\v1ch04\ConstructorTest\ConstructorTest.class

............此處省略833個(gè)文件信息