Create JLabel and set alignment in Java

/*from   w w  w  .  j  a va 2s  . co m*/
import java.awt.FlowLayout;
import java.awt.HeadlessException;

import javax.swing.JFrame;
import javax.swing.JLabel;

public class Main extends JFrame {
  public Main() throws HeadlessException {
    setSize(150, 300);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLayout(new FlowLayout());

    JLabel label1 = new JLabel("Username :", JLabel.RIGHT);
    JLabel label2 = new JLabel("Password :", JLabel.RIGHT);
    JLabel label3 = new JLabel("Confirm Password :", JLabel.RIGHT);
    JLabel label4 = new JLabel("Remember Me!", JLabel.LEFT);
    JLabel label5 = new JLabel("Hello.", JLabel.CENTER);

    label5.setVerticalAlignment(JLabel.TOP);
    label5.setToolTipText("A tool tip with me!");

    getContentPane().add(label1);
    getContentPane().add(label2);
    getContentPane().add(label3);
    getContentPane().add(label4);
    getContentPane().add(label5);
  }

  public static void main(String[] args) {
    new Main().setVisible(true);
  }
}