java joptionpane
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class ShowMessageDialogExample1
{
public static void main(String[] args)
{
String backupDir = "/Users/al/backups";
// create a jframe
JFrame frame = new JFrame("JOptionPane showMessageDialog example");
// show a joptionpane dialog using showMessageDialog
JOptionPane.showMessageDialog(frame,
"Problem writing to backup directory: '" + backupDir + "'.");
System.exit(0);
}
}