import javax.swing.*;
class TelaSimples extends JFrame
{
		public static void main(String args[ ])
		{
			new TelaSimples();
		}
		public TelaSimples()
		{
				setTitle("Swing Application");
				JButton but = new JButton("I am a Swing button");
				JLabel texto = new JLabel("Number of button clicks: 0");
				JPanel painel = new JPanel( );
				painel.add(but);
				painel.add(texto);
				getContentPane( ).add(painel);
				pack( );
				setVisible(true);	
		}


}