help!
import java.awt.*;
import java.awt.event.*;
class SampleFrame extends Frame {
SampleFrame(String title) {
super(title);
MyWindowAdapter adapter = new MyWindowAdapter(this);
addWindowListener(adapter);
}
}
class MyWindowAdapter extends WindowAdapter {
SampleFrame sf;
public MyWindowAdapter(SampleFrame sf) {
this.sf = sf;
}
public void windowClosing(WindowEvent we) {
sf.setVisible(false);
}
}
class FileDialogDemo {
public static void main (String args[]) {
Frame f = new SampleFrame("Load File Dialog");
f.setSize(100,100);
f.setVisible(true);
FileDialog fd = new FileDialog(f,"Load File Dialog");
fd.setVisible(true);
}
}
帮我看看这段程序有错吗?
为什么我的filedialog弹不出?