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

class Program extends Frame
{
	Button gomb;
	Program()
	{
		gomb = new Button("Klikkelj ide erre a gombra");
		
		gomb.addActionListener(new Gomb_Click());
		
		add(gomb);
		addWindowListener(new AblakKezeles());
		//~ setSize(400, 300);
		pack();
		setVisible(true);
	}
	
	class Gomb_Click implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			setTitle("Lenyomva");
		}
	}
	class AblakKezeles extends WindowAdapter
	{
		public void windowClosing(WindowEvent e)
		{
			System.exit(0);
		}
	}
	
	public static void main(String[] args)
	{
		new Program();
	}	
}