Java Swing - 如何将JLabel文本垂直顶部对齐

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

public class Main {
  public static void main(String[] args) {
    JLabel label = new JLabel("Username :", JLabel.RIGHT);
    label.setVerticalAlignment(JLabel.TOP);
    
    JOptionPane.showMessageDialog(null, label);
    
  }
}