import java.awt.*;
import javax.swing.*;
import java.awt.event.*;


public class EsSwingCalculator {

 public static void main(String[] v){
   JFrame f = new JFrame("Mini-calcolatrice");
   Container c = f.getContentPane();
   CalcPanel p = new CalcPanel();
   c.add(p);
   f.setSize(220,150);
   f.addWindowListener(new Terminator());
   // Per gestire la chiusura della finestra
   f.show();
   }
}