import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class JavaIsFun extends JFrame implements ActionListener{

private JButton btn;

public JavaIsFun() {
        
	Container c = getContentPane();
        c.setLayout(new FlowLayout());
	btn = new JButton("Click me");
	c.add(btn);
	btn.addActionListener(this);

	
	
	setDefaultCloseOperation(EXIT_ON_CLOSE);
	setSize(250,200);
	setLocation(100,100);
	setVisible(true);
}

public void actionPerformed(ActionEvent e) {

	System.out.println("ouch");

}

public static void main( String [] args) {

	JavaIsFun j = new JavaIsFun();

}

}