Problema com Swing

public class Teste extends JFrame{
	String itens[] = {"Fabiano", "Carlos", "Maria", "Ana"};
	
	
	JFrame frame= new JFrame("Fabiano");
	
	JPanel panelLista = new JPanel();
	JPanel panelBotao = new JPanel();
	JPanel panelLista2 = new JPanel();
	
	JList list = new JList(itens);
	JList list2 = new JList();
	
	JButton botaoVai = new JButton();
	JButton botaoVem = new JButton();
	
	JScrollPane scroll = new JScrollPane(list);
	JScrollPane scroll2 = new JScrollPane(list2);
	
	public void testandoTela(){
		list.setVisibleRowCount(5);
		
		panelLista.add(scroll);
		panelLista2.add(scroll2);
		panelBotao.add(botaoVai);
		
		getContentPane().add(panelLista, BorderLayout.EAST);
		getContentPane().add(panelBotao, BorderLayout.CENTER);
		getContentPane().add(panelLista2, BorderLayout.WEST);
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                
        
        pack();
        setVisible(true);
	}
	public static void main(String[] args){
		Teste testando = new Teste();
	}
}