Nie ja pisałem ten program tylko autor książki. Jest napisane w książce żeby to otworzyć ale się nie otwiera.
Wyskakują takie błędy. Co zrobić ?
c:\JDK7\javapodst\r02\ImageViewer>javac ImageViewer.java
ImageViewer.java:35: error: cannot find symbol
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
^
symbol: variable DEFAULT_WIDTH
location: class ImageViewerFrame
ImageViewer.java:35: error: cannot find symbol
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
^
symbol: variable DEFAULT_HEIGHT
location: class ImageViewerFrame
ImageViewer.java:38: error: cannot find symbol
label = new JLabel();
^
symbol: variable label
location: class ImageViewerFrame
ImageViewer.java:39: error: cannot find symbol
add(label);
^
symbol: variable label
location: class ImageViewerFrame
ImageViewer.java:42: error: cannot find symbol
chooser = new JFileChooser();
^
symbol: variable chooser
location: class ImageViewerFrame
ImageViewer.java:43: error: cannot find symbol
chooser.setCurrentDirectory(new File("."));
^
symbol: variable chooser
location: class ImageViewerFrame
ImageViewer.java:58: error: cannot find symbol
int result = chooser.showOpenDialog(null);
^
symbol: variable chooser
ImageViewer.java:63: error: cannot find symbol
String name = chooser.getSelectedFile().getPath();
^
symbol: variable chooser
ImageViewer.java:64: error: cannot find symbol
label.setIcon(new ImageIcon(name));
^
symbol: variable label
9 errors