How do you open a program by using ActionListener in Java?

How do you open a program by using ActionListener in Java?

By : mwe
Date : November 25 2020, 07:06 PM
should help you out I am busy creating a GUI in Java with buttons such that if I press a button it must open another program like Excel or Word and also a folder. Is there anyway that this is possible? , You would do something like this...
code :

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Error on basic Java program - cannot find symbol ActionListener()

Error on basic Java program - cannot find symbol ActionListener()

By : user2571906
Date : March 29 2020, 07:55 AM
I hope this helps you . The following code is working, Here is what I did :
add import java.awt.event.*; remove unnecessary import java.util.*; replaced guiFrame.close() with guiFrame.dispose(); as There is no Frame.close() method.
code :
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MyTest {

    public static void main(String args[]) throws Exception {

        JFrame guiFrame = new JFrame("Test Frame");
        guiFrame.setTitle("Example GUI");
        guiFrame.setSize(300, 250);

        JButton btn = new JButton("Hit Me");

        btn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
        guiFrame.add(btn, BorderLayout.SOUTH);

ActionListener Issue: Program to see if a number is prime or not? (Java GUI)

ActionListener Issue: Program to see if a number is prime or not? (Java GUI)

By : Mirza Zaheer Baba
Date : March 29 2020, 07:55 AM
seems to work fine ActionListener for JTextField is triggered when you press enter in the text field.
Edit: If you want to do the prime check whenever the value is changed in the text field. As suggested by @MadProgrammer, you can add a DocumentListener to the document of the text field and implement the insertUpdate (called when you add a character) and removeUpdate (called when you remove a character) methods.
code :
primeTestField.getDocument().addDocumentListener(new DocumentListener() {
        public void insertUpdate(DocumentEvent e) 

        public void removeUpdate(DocumentEvent e) {

        public void changedUpdate(DocumentEvent e) {
private void check() {
    int n;
    try {
        n = Integer.parseInt(primeTestField.getText());
    } catch (Exception ex) {
    if (n == 2) {
    } else {
        boolean isPrime = true;
        for (int i = 2; 2 * i < n; i++) {
            if (n % i == 0) {
                isPrime = false;
        if (isPrime) {
        } else {
Java - Unable to open a new frame from ActionListener

Java - Unable to open a new frame from ActionListener

By : Rinat Mahmutov
Date : March 29 2020, 07:55 AM
Hope this helps This is your login class. I put the JFrame frame in the global scope, so you can manipulate it from the ButtonListener method. I also created a SomeFrame class, just to demonstrate the new JFrame that would be created when you click the button. When an action is performed(the button is clicked) a new object of SomeFrame is created. Since SomeFrame extends JFrame we can use the method setVisible() to a SomeFrame object. The SomeFrame frame appears and the LoginView is no longer visible.
code :
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class LoginView {

 public static JFrame frame = new JFrame("Bus Tour Booking System");

    public static void main(String[] args) {

        frame.setSize(300, 200);

        JPanel panel = new JPanel();


    private static void placeComponents(JPanel panel) {


        JLabel titleLabel = new JLabel("Bus Tour Booking System");

        JLabel userLabel = new JLabel("Username: ");
        userLabel.setBounds(30, 50, 80, 25);

        JTextField userText = new JTextField(20);
        userText.setBounds(120, 50, 130, 25);

        JLabel passwordLabel = new JLabel("Password: ");
        passwordLabel.setBounds(30, 80, 80, 25);

        JPasswordField passwordText = new JPasswordField(20);
        passwordText.setBounds(120, 80, 130, 25);

        JButton loginButton = new JButton("login");
        loginButton.setBounds(100, 125, 80, 25);

        ActionListener myButtonListener = new MyButtonListener();


    private static class MyButtonListener implements ActionListener {
        public void actionPerformed(ActionEvent e) {
           SomeFrame newFrame = new SomeFrame();

import javax.swing.JFrame;
import javax.swing.JPanel;

public class SomeFrame extends JFrame {

    public SomeFrame(){
            this.setSize(300, 200);

            JPanel panel = new JPanel();


Java actionListener in another class won't open the window

Java actionListener in another class won't open the window

By : user2256121
Date : March 29 2020, 07:55 AM
I hope this helps . The current problem with the code is down to the fact that the action listener has no reference to the original window, and instead creates an entirely separate instance that is never set visible. (As detailed by D.G).
But the action listener is not needed. The effect can be achieved using a ButtonGroup, like this:
code :
import javax.swing.*;
import java.awt.*;

public class RadioButtonWindow extends JFrame{
    public JRadioButton radio1= new JRadioButton("Salam1");
    public JRadioButton radio2= new JRadioButton("Salam2");
    public JRadioButton radio3= new JRadioButton("Salam3");

    public RadioButtonWindow(){
        setLayout(new FlowLayout());


        // Only one button in this group can be selected at a time!
        ButtonGroup bg = new ButtonGroup();

   public static void main(String args[]) {
        RadioButtonWindow  salam = new RadioButtonWindow ();
        // Wrong way to size a GUI!
        // Correct way to size a GUI
Java ActionListener Error , Buttons Color Changing Program using popups

Java ActionListener Error , Buttons Color Changing Program using popups

By : Nara Arun Kumar
Date : March 29 2020, 07:55 AM
hop of those help? I'm trying to make a program that changes different colors in frame to the color I choose using a popup menu. I'm getting an error in the ActionListener and without it I can't have an action performed for each colored button. , Take a look at this section...
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