import javax.swing.JFrame;
import javax.swing.JButton;

class Program01 extend JFrame
{
	Button gomb1  new JButton("Klikk");
	Program01()
	{
		add(gomb1);
		pack();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
	}
	public static void main(String[] args)
	{
		new Program01();
	}
}