import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
public class Main extends JFrame {
public Main() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().add(new JLabel("Placeholder label"));
pack();
setSize(200, 200);
setVisible(true);
int replaced = JOptionPane.showConfirmDialog(this,
"Replace existing selection?");
String result = "?";
switch (replaced) {
case JOptionPane.CANCEL_OPTION:
result = "Canceled";
break;
case JOptionPane.CLOSED_OPTION:
result = "Closed";
break;
case JOptionPane.NO_OPTION:
result = "No";
break;
case JOptionPane.YES_OPTION:
result = "Yes";
break;
default:
;
}
System.out.println("Replace? " + result);
}
public static void main(String[] args) {
new Main();
}
}