import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class Main extends JFrame {
public Main() {
setSize(200, 200);
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent evt) {
Object[] options = { "Quit, My Computing Fellow",
"No, I want to Work more" };
int answer = JOptionPane.showOptionDialog(Main.this,
"What would you like to do? ", "Quit:Continue",
JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null,
options, options[1]);
if (answer == JOptionPane.YES_OPTION) {
System.exit(0);
}
}
});
}
public static void main(String st[]) {
Main mf = new Main();
mf.setVisible(true);
}
}
【joptionpane】
