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

class Tallknapp extends JButton{
    KalkulatorController controller;
    String verdi;
    public Tallknapp(String tekst, KalkulatorController controller){
        super(tekst);
        this.controller = controller;
        verdi = tekst;
        addActionListener(new Trykk());
    }

    class Trykk implements ActionListener{
        @Override
        public void actionPerformed(ActionEvent e){
            System.out.println(verdi);
            controller.sett(Double.parseDouble(verdi));
        }
    }

}