comparison between default and monospaced font in Java Swing

SetFontMonospaced.java

import javax.swing.*;
import java.awt.*;

public class SetFontMonospaced {
  public static final String TEXT = "  A C G T\nA * - - -\nC - * - -\nG - - * -\nT - - - *";

  public static void main(String[] args) {
    for (int i = 1; i <= 2; i++) {
      JFrame frame = new JFrame("Fenster " + i);
      frame.setSize(640, 360);

      JTextPane textPane = new JTextPane();
      textPane.setText(TEXT);

      if (i == 2) {
        textPane.setFont(Font.getFont(Font.MONOSPACED));
      }

      frame.add(textPane);
      frame.setVisible(true);
    }
  }
}