JLabel Factorial Multiline

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

public class FactorialFrame extends JFrame {
    private static final long serialVersionUID = 1L;
    private JLabel label = new JLabel();

    public FactorialFrame() {
    super("Factorial Frame");
    int[] array = initializeFactorialArray(10);

    String multiline = "<html> 0 factorial = " + array[0];
    for (int i = 1; i < array.length; i++) {
        multiline += "<br>" + i + " factorial = " + array[i];
    }

    label.setText(multiline);

    setDefaultCloseOperation(EXIT_ON_CLOSE);
    getContentPane().add(label);
    setSize(200, 200);
    setLocationRelativeTo(null);
    }

    private int[] initializeFactorialArray(int size) {
    int[] factorials = new int[size];
    factorials[0] = 1;
    factorials[1] = 1;

    for (int i = 2; i < factorials.length; i++) {
        factorials[i] = factorials[i - 1] * i;
        System.out.println(i + " factorial = " + factorials[i]);
    }
    return factorials;
    }

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