ae galera tem como vcs me ajudarem e dizerem pq o scroll não rola
this.getContentPane().setLayout(null);
this.setLocation(296, 157);
this.setTitle("Music Store");
this.setResizable(false);
lb1 = new JLabel("Music Store");
lb1.setBounds(new Rectangle(80, 39, 79, 24));
this.getContentPane().add(lb1, null);
b1 = new JButton("Listar Cd's");
b1.setBounds(new Rectangle(60, 100, 100, 30));
b1.addActionListener(this);
this.getContentPane().add(b1, null);
b2 = new JButton("Inserir Cd's");
b2.setBounds(new Rectangle(60, 250, 100, 30));
b2.addActionListener(this);
this.getContentPane().add(b2, null);
setSize(636,500);
setVisible(true);
listModel = new DefaultListModel();
JScrollPane scroll2=new JScrollPane(jList1);
jList1 = new JList(listModel);
getContentPane().setLayout(null);
jList1.setFont(new java.awt.Font("Arial", 0, 12));
jList1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
jList1.setToolTipText("Lista criada");
getContentPane().add(jList1);
jList1.setBounds(250, 30, 340, 230);