Sim.
Aí vai ele.
Só comentei a linha do frmClient por não possuir esta classe.
public class frmMainMenu extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JButton jButtonClient = null;
/**
* This is the default constructor
*/
public frmMainMenu() {
super();
initialize();
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(564, 367);
// this.setLocation(((Toolkit.getDefaultToolkit().getScreenSize().width / 2) - (this.getWidth() / 2)),
// ((Toolkit.getDefaultToolkit().getScreenSize().height / 2) - (this.getHeight() / 2)));
// this.setContentPane(getJContentPane());
this.setLocationRelativeTo(null);
this.setTitle("Jframe");
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getJButtonClient(), null);
}
return jContentPane;
}
/**
* This method initializes jButtonClient
*
* @return javax.swing.JButton
*/
private JButton getJButtonClient() {
if (jButtonClient == null) {
jButtonClient = new JButton();
jButtonClient.setBounds(new Rectangle(15, 13, 143, 39));
jButtonClient.setText("Clientes");
jButtonClient.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent e) {
//new frmClient();
}
});
}
return jButtonClient;
}
public static void main(String[] args_){
frmMainMenu frm = new frmMainMenu();
frm.setVisible(true);
}
}