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- import java.awt.EventQueue;
- import java.awt.event.*;
- import java.io.*;
- import javax.swing.*;
- 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);
- }
- });
- }
- }
- class ImageViewerFrame extends JFrame
- {
- public ImageViewerFrame()
- {
- setTitle("ImageViewer");
- setSize(300,400);
- label = new JLabel();
- add(label);
- 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)
- {
- int result=chooser.showOpenDialog(null);
- 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;
- }
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