CloseAction.java Source code

Introduction

Here is the source code for CloseAction.java

Source

import java.awt.Container;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JFrame;

class CloseAction extends AbstractAction {
    public CloseAction() {
        super("Close");
    }

    @Override
    public void actionPerformed(ActionEvent event) {
        System.exit(0);
    }
}

public class Main {
    public static void main(String[] args) {
        JFrame frame = new JFrame("JFrame");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();

        JButton closeButton = new JButton(new CloseAction());
        contentPane.add(closeButton);

        frame.pack();
        frame.setVisible(true);
    }
}