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

class Program extends Frame implements ActionListener
{
	Button gomb;
	Program()
	{
		gomb = new Button("Nyomj meg");
		gomb.setBounds(50, 50, 100, 30);
		gomb.addActionListener(this);
		add(gomb);
		setLayout(null);
		setSize(400, 300);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent e)
	{
		setTitle("Esemény volt");
	}

	public static void main(String args[])
	{
		new Program();
	}
}