MyButton.java Source code

Introduction

Here is the source code for MyButton.java

Source

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

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

class MyButton extends JButton implements ActionListener {

    public MyButton(String text) {
        super.setText(text);
        addActionListener(this);
    }

    public void actionPerformed(ActionEvent e) {
        System.exit(0);
    }
}

public class UsingInterface {
    public static void main(String[] args) {
        MyButton close = new MyButton("Close");
        JFrame f = new JFrame();
        f.add(close);

        f.setSize(300, 200);
        f.setLocationRelativeTo(null);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setVisible(true);
    }
}