MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

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

import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass extends JPanel implements ActionListener {
    public MainClass() {

        JButton jb = new JButton(new MyIcon());
        jb.setActionCommand("France");
        jb.addActionListener(this);
        add(jb);
    }

    // Show text when user presses ENTER. 
    public void actionPerformed(ActionEvent ae) {
        System.out.println(ae);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new MainClass());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }

}

class MyIcon implements Icon {
    public int getIconWidth() {
        return 32;
    }

    public int getIconHeight() {
        return 32;
    }

    public void paintIcon(Component c, Graphics g, int x, int y) {
        g.drawString("java2s.com", 0, 20);
    }
}