ShowAction.java Source code

Introduction

Here is the source code for ShowAction.java

Source

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JOptionPane;

class ShowAction extends AbstractAction {
    public ShowAction() {
        super("About");
        putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    }

    public void actionPerformed(ActionEvent actionEvent) {
        System.out.println("java2s.com");
    }
}

public class Main {
    public static void main(final String args[]) {
        JButton bn = new JButton(new ShowAction());

        JOptionPane.showMessageDialog(null, bn);
    }
}