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.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（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）;
????????????}
?????????}）;
???}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-20?19:16??gutenberg\
?????目錄???????????0??2015-12-20?19:16??v1ch02\
?????目錄???????????0??2015-12-20?19:16??v1ch02\ImageViewer\
?????目錄???????????0??2015-12-20?19:16??v1ch02\Welcome\
?????目錄???????????0??2015-12-20?19:16??v1ch02\Welcomeapplet\
?????目錄???????????0??2015-12-20?19:16??v1ch03\
?????目錄???????????0??2015-12-20?19:16??v1ch03\BigIntegerTest\
?????目錄???????????0??2015-12-20?19:16??v1ch03\CompoundInterest\
?????目錄???????????0??2015-12-20?19:16??v1ch03\FirstSample\
?????目錄???????????0??2015-12-20?19:16??v1ch03\InputTest\
?????目錄???????????0??2015-12-20?19:16??v1ch03\LotteryArray\
?????目錄???????????0??2015-12-20?19:16??v1ch03\LotteryDrawing\
?????目錄???????????0??2015-12-20?19:16??v1ch03\LotteryOdds\
?????目錄???????????0??2015-12-20?19:16??v1ch03\Retirement\
?????目錄???????????0??2015-12-20?19:16??v1ch03\Retirement2\
?????目錄???????????0??2015-12-20?19:16??v1ch04\
?????目錄???????????0??2015-12-20?19:16??v1ch04\CalendarTest\
?????目錄???????????0??2015-12-20?19:16??v1ch04\ConstructorTest\
?????目錄???????????0??2015-12-20?19:16??v1ch04\EmployeeTest\
?????目錄???????????0??2015-12-20?19:16??v1ch04\PackageTest\
?????目錄???????????0??2015-12-20?19:16??v1ch04\PackageTest\com\
?????目錄???????????0??2015-12-20?19:16??v1ch04\PackageTest\com\horstmann\
?????目錄???????????0??2015-12-20?19:16??v1ch04\PackageTest\com\horstmann\corejava\
?????目錄???????????0??2015-12-20?19:16??v1ch04\ParamTest\
?????目錄???????????0??2015-12-20?19:16??v1ch04\StaticTest\
?????目錄???????????0??2015-12-20?19:16??v1ch05\
?????目錄???????????0??2015-12-20?19:16??v1ch05\abstractClasses\
?????目錄???????????0??2015-12-20?19:16??v1ch05\arrayList\
?????目錄???????????0??2015-12-20?19:16??v1ch05\arrays\
?????目錄???????????0??2015-12-20?19:16??v1ch05\bin\
?????目錄???????????0??2015-12-20?19:16??v1ch05\bin\abstractClasses\
............此處省略977個文件信息