Java Swing How to - Vertical Align top with each element in a new row in JPanel

Question

We would like to know how to vertical Align top with each element in a new row in JPanel.

Answer

import java.awt.Dimension;
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import javax.swing.Box;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class Main {

  public static void main(String[] args) {
    Box box = Box.createVerticalBox();
    for (int i = 1; i < 4; i++) {
      JPanel panel = new JPanel() {
        @Override
        public Dimension getMaximumSize() {
          return getPreferredSize();
        }
      };
      JLabel label1 = new JLabel("Label");
      JLabel label2 = new JLabel(String.valueOf(i));
      panel.add(label1);
      panel.add(label2);
      box.add(panel);

    }

    JFrame frame = new JFrame();
    frame.add(box);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
  }
}