Dúvida com gridx e gridy [Resolvido]

public class MyApplication extends JFrame {

	public MyApplication() {

		this.setDefaultCloseOperation(EXIT_ON_CLOSE);

		Container c = this.getContentPane();

		GridBagConstraints cons = new GridBagConstraints();
		GridBagLayout layout = new GridBagLayout();
		c.setLayout(layout);

		cons.fill = GridBagConstraints.BOTH;
		cons.gridy = 0;
		cons.gridx = 0;
		cons.gridwidth = 1;
		c.add(new JLabel("Login: "), cons);		
		cons.gridwidth = 2;
		cons.gridx = 1;
		c.add(new JTextField(13), cons);
		cons.gridwidth = 1;
		cons.gridx = 0;
		cons.gridy = 1;
		c.add(new JLabel("Senha: "), cons);
		cons.gridwidth = 2;
		cons.gridx = 1;
		c.add(new JPasswordField(13), cons);

		this.setSize(300, 100);
	}

cons.gridwidth = 2;
		cons.gridx = 1;
		cons.gridy = 2;
		c.add(new JButton("Entrar"));