Please help me with some action event buttons

Question

{color:#ff6600}i am trying to figure out how to capture two values from an action event button. i have already tried it 6 times and i cant figure it out.
Its a simple calculator with numbers 1 and 2 and does a multiplication calculation.
Can you help me figure it out it will be really helpful.
{color}
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
public class Calculator implements ActionListener {
JFrame frame;
JPanel contentpane;
JButton one,two;
JTextField field;
JButton mult;
JButton adds;
JButton equals;
JButton go;
public Calculator() {
frame = new JFrame ("Calculator" );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
contentpane = new JPanel();
contentpane.setBorder(BorderFactory.createEmptyBorder(20,20,40,40));
one = new JButton( Integer.toString(1));
one.setActionCommand(Integer.toString(1));
one.addActionListener(this);
contentpane.add(one);
two = new JButton(Integer.toString(2));
two.setActionCommand(Integer.toString(2));
two.addActionListener(this);
contentpane.add(two);
field = new JTextField(10 );
contentpane.add(field);
go = new JButton("calculate");
go.setActionCommand("go");
go.addActionListener(this);
contentpane.add(go);
mult = new JButton( "*");
mult.setActionCommand("mult");
mult.addActionListener(this);
contentpane.add(mult);
adds = new JButton( "+");
adds.setActionCommand("add");
contentpane.add(adds);
frame.setContentPane(contentpane);
frame.pack();
frame.setVisible(true);
public void actionPerformed (ActionEvent event ) {
String eventn = event.getActionCommand();
String text = field.getText();
String mult ="*";
{color:#800080}if (eventn.equals("1")||eventn.equals("2") ){  \\ *{color:#ff6600}i dont know how to store two different value from an action event{color}*
text+=eventn ;
int num = Integer.parseInt(text);
field.setText(text);
{color}
{color:#800080}if (eventn.equalsIgnoreCase("mult")){
field.setText("");
{color}
{color:#800080}};
{color}
public static void runGui(){
JFrame.setDefaultLookAndFeelDecorated(true);
Calculator r = new Calculator();
public static void main (String[]args){
javax.swing.SwingUtilities.invokeLater(new Runnable(){
public void run(){
runGui();

Answer 1

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ListenerDemo {
    private class DigitListener implements ActionListener {
       private int digit;
       public DigitListener(int digit) {
           this.digit = digit;
       public void actionPerformed(ActionEvent evt) {
            JOptionPane.showMessageDialog(f, "You pressed " + digit);
    private JFrame f = new JFrame();
    private JButton button1 = new JButton("1");
    private JButton button2 = new JButton("2");
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable(){
            public void run() {
                new ListenerDemo().go();
    void go() {
        button1.addActionListener(new DigitListener(1));
        button2.addActionListener(new DigitListener(2));
        JPanel cp = new JPanel();
        cp.add(button1);
        cp.add(button2);
        f.setContentPane(cp);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.pack();
        f.setLocationRelativeTo(null);
        f.setVisible(true);
}