HelloWorldGUI2.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class HelloWorldGUI2 {
    private static class HelloWorldDisplay extends JPanel {
        public void paintComponent(Graphics g) {
            super.paintComponent(g);
            g.drawString( "Hello Rajendra Pacholi!", 20, 30 );
        }
    }
    private static class ButtonHandler implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    }
    public static void main(String[] args) {
        HelloWorldDisplay displayPanel = new HelloWorldDisplay();
        JButton okButton = new JButton("OK");
        ButtonHandler listener = new ButtonHandler();
        okButton.addActionListener(listener);
        JPanel content = new JPanel();
        content.setLayout(new BorderLayout());
        content.add(displayPanel, BorderLayout.CENTER);
        content.add(okButton, BorderLayout.SOUTH);
        JFrame window = new JFrame("Raje");
        window.setContentPane(content);
        window.setSize(250,200);
        window.setLocation(400,100);
        window.setVisible(true);
    }
}