Barra de rolagem no JTextArea

L1 = new JLabel("Lista de Compras");
	L1.setBounds(132,20,400,20);
				
	Ta1 = new JTextArea("",10,10);
	Ta1.setBounds(40,60,285,240);
	JScrollPane areaRolagem = new JScrollPane(Ta1,
								  JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
								  JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
	
	Ta1.setBorder(BorderFactory.createLoweredBevelBorder());
	Ta1.setLineWrap(true);

/*		FileReader f = new FileReader(“C:\teste.txt”);

BufferedReader entrada = new BufferedReader(f);

while (entrada.ready())

Ta1.append(’\n’ + entrada.readLine());	

*/		

p1 =new JPanel();

JFrame janela = new JFrame();

p1.setBackground(Cor2);

p1.setBorder(BorderFactory.createRaisedBevelBorder());

p1.setBounds(75,35,360,380);

p1.setLayout(null);	

p1.add(b1);

p1.add(b2);

p1.add(L1);

p1.add(Ta1);

p1.add(areaRolagem);		

getContentPane().setLayout(null);

getContentPane().add(p1);