Java Swing - 如何更改文本，顶部，底部，左，右的垂直和水平对齐

import javax.swing.JLabel;
import javax.swing.JOptionPane;

public class Main {
  public static void main(String[] args) {
    
    JLabel label = new JLabel("w3cschool.cn", JLabel.LEFT);
    label.setHorizontalAlignment(JLabel.CENTER);
    label.setVerticalAlignment(JLabel.CENTER);
    
    //label.setHorizontalAlignment(JLabel.LEFT);
    //label.setVerticalAlignment(JLabel.TOP);

    //label.setHorizontalAlignment(JLabel.RIGHT);
    //label.setVerticalAlignment(JLabel.BOTTOM);

    
    JOptionPane.showMessageDialog(null, label);
    
  }
}