import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.BoxLayout;
import javax.swing.JPanel;

class Program01 extends JFrame
{
	JButton gomb1 = new JButton("Első");
	JButton gomb2 = new JButton("Második");
	JButton gomb3 = new JButton("Harmadik");
	JPanel panel = new JPanel();
	Program01()
	{
		
		//PAGE_AXIS, X_AXIS, Y_AXIS, LINE_AXIS
		panel.setLayout(new BoxLayout(panel, BoxLayout.LINE_AXIS) );
		panel.add(gomb1);
		panel.add(gomb2);
		panel.add(gomb3);
		add(panel);
		pack();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
	}
	public static void main(String[] args)
	{
		new Program01();
	}	
}