Java BorderLayout AFTER_LAST_LINE

public static final String AFTER_LAST_LINE

import java.awt.BorderLayout;
/*from w  w w  .j  a v a 2s .  c  om*/
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Main {
  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel outerPanel = new JPanel(new BorderLayout());
    JPanel topPanel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name:");
    JTextField text = new JTextField();
    topPanel.add(label, BorderLayout.BEFORE_LINE_BEGINS);
    topPanel.add(text, BorderLayout.CENTER);
    outerPanel.add(topPanel, BorderLayout.AFTER_LAST_LINE);

    frame.add(outerPanel);
    frame.setSize(300, 200);
    frame.setVisible(true);

  }
}