How to use TextAttribute class to change color and font of a text

[Java Tip]

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.TextAttribute;
import java.text.AttributedString;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class IteratorTest extends JPanel {
  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    String s = "Java Source and Support";
    Dimension d = getSize();

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);
    Font serifFont = new Font("Serif", Font.PLAIN, 48);
    Font sansSerifFont = new Font("Monospaced", Font.PLAIN, 48);

    AttributedString as = new AttributedString(s);
    as.addAttribute(TextAttribute.FONT, serifFont);
    as.addAttribute(TextAttribute.FONT, sansSerifFont, 2, 5);
    as.addAttribute(TextAttribute.FOREGROUND, Color.red, 5, 6);
    as.addAttribute(TextAttribute.FOREGROUND, Color.red, 16, 17);

    g2.drawString(as.getIterator(), 40, 80);
  }

  public static void main(String[] args) {
    JFrame f = new JFrame();
    f.getContentPane().add(new IteratorTest());
    f.setSize(850, 250);
    f.show();

  }
}